
The codex (plural codices ) was the historical ancestor of the modern
book
A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this phys ...
. Instead of being composed of sheets of
paper
Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, Textile, rags, poaceae, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre e ...
, it used sheets of
vellum
Vellum is prepared animal skin or membrane, typically used as writing material. Parchment is another term for this material, from which vellum is sometimes distinguished, when it is made from calfskin, as opposed to that made from other ani ...
,
papyrus
Papyrus ( ) is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, '' Cyperus papyrus'', a wetland sedge. ''Papyrus'' (plural: ''papyri'') can also refer to a ...
, or other materials. The term ''codex'' is often used for ancient
manuscript
A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand – or, once practical typewriters became available, typewritten – as opposed to mechanically printed or reproduced ...
books, with handwritten contents. A codex, much like the modern book, is bound by stacking the pages and securing one set of edges by a variety of methods over the centuries, yet in a form analogous to modern
bookbinding. Modern books are divided into
paperback
A paperback (softcover, softback) book is one with a thick paper or paperboard cover, and often held together with glue rather than stitches or staples. In contrast, hardcover (hardback) books are bound with cardboard covered with cloth, le ...
or softback and those bound with stiff boards, called
hardback
A hardcover, hard cover, or hardback (also known as hardbound, and sometimes as case-bound) book is one bound with rigid protective covers (typically of binder's board or heavy paperboard covered with buckram or other cloth, heavy paper, or ...
s. Elaborate historical bindings are called
treasure binding
A treasure binding or jewelled bookbinding is a luxurious book cover using metalwork in gold or silver, jewels, or ivory, perhaps in addition to more usual bookbinding material for book-covers such as leather, velvet, or other cloth. The actu ...
s. At least in the Western world, the main alternative to the paged codex format for a long document was the continuous
scroll
A scroll (from the Old French ''escroe'' or ''escroue''), also known as a roll, is a roll of papyrus, parchment, or paper containing writing.
Structure
A scroll is usually partitioned into pages, which are sometimes separate sheets of papyrus ...
, which was the dominant form of document in the
ancient world
Ancient history is a time period from the beginning of writing and recorded human history to as far as late antiquity. The span of recorded history is roughly 5,000 years, beginning with the Sumerian cuneiform script. Ancient history cove ...
. Some codices are continuously folded like a
concertina
A concertina is a free-reed musical instrument, like the various accordions and the harmonica. It consists of expanding and contracting bellows, with buttons (or keys) usually on both ends, unlike accordion buttons, which are on the front.
Th ...
, in particular the
Maya codices
Maya codices (singular ''codex'') are folding books written by the pre-Columbian Maya civilization in Maya hieroglyphic script on Mesoamerican bark paper. The folding books are the products of professional scribes working under the patronage of ...
and
Aztec codices
Aztec codices ( nah, Mēxihcatl āmoxtli , sing. ''codex'') are Mesoamerican manuscripts made by the pre-Columbian Aztec, and their Nahuatl-speaking descendants during the colonial period in Mexico.
History
Before the start of the ...
, which are actually long sheets of paper or animal skin folded into pages.
The
Ancient Romans
In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 B ...
developed the form from
wax tablets
A wax tablet is a tablet made of wood and covered with a layer of wax, often linked loosely to a cover tablet, as a "double-leaved" diptych. It was used as a reusable and portable writing surface in Antiquity and throughout the Middle Ages. ...
. The gradual replacement of the scroll by the codex has been called the most important advance in book making before the invention of the
printing press
A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. It marked a dramatic improvement on earlier printing methods in which the ...
. The codex transformed the shape of the book itself, and offered a form that has lasted ever since. The spread of the codex is often associated with the rise of
Christianity
Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth
Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesu ...
, which early on adopted the format for the
Bible
The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts o ...
. First described in the 1st century of the Common Era, when the Roman poet
Martial
Marcus Valerius Martialis (known in English as Martial ; March, between 38 and 41 AD – between 102 and 104 AD) was a Roman poet from Hispania (modern Spain) best known for his twelve books of ''Epigrams'', published in Rome between AD 86 an ...
praised its convenient use, the codex achieved numerical parity with the scroll around 300 CE,
["Codex" in the '']Oxford Dictionary of Byzantium
The ''Oxford Dictionary of Byzantium'' (ODB) is a three-volume historical dictionary published by the English Oxford University Press. With more than 5,000 entries, it contains comprehensive information in English on topics relating to the Byzant ...
'', Oxford University Press, New York & Oxford, 1991, p. 473. . and had completely replaced it throughout what was by then a Christianized
Greco-Roman world
The Greco-Roman civilization (; also Greco-Roman culture; spelled Graeco-Roman in the Commonwealth), as understood by modern scholars and writers, includes the geographical regions and countries that culturally—and so historically—were dir ...
by the 6th century.
Etymology and origins

The word codex comes from the
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
word ''caudex'', meaning "trunk of a tree", “block of wood” or “book”. The codex began to replace the
scroll
A scroll (from the Old French ''escroe'' or ''escroue''), also known as a roll, is a roll of papyrus, parchment, or paper containing writing.
Structure
A scroll is usually partitioned into pages, which are sometimes separate sheets of papyrus ...
almost as soon as it was invented. In
Egypt
Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Med ...
, by the fifth century, the codex outnumbered the scroll by ten to one based on surviving examples. By the sixth century, the scroll had almost vanished as a medium for literature. The change from rolls to codices roughly coincides with the transition from
papyrus
Papyrus ( ) is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, '' Cyperus papyrus'', a wetland sedge. ''Papyrus'' (plural: ''papyri'') can also refer to a ...
to
parchment
Parchment is a writing material made from specially prepared untanned skins of animals—primarily sheep, calves, and goats. It has been used as a writing medium for over two millennia. Vellum is a finer quality parchment made from the skins o ...
as the preferred writing material, but the two developments are unconnected. In fact, any combination of codices and scrolls with papyrus and parchment is technically feasible and common in the historical record.
Technically, even modern
paperback
A paperback (softcover, softback) book is one with a thick paper or paperboard cover, and often held together with glue rather than stitches or staples. In contrast, hardcover (hardback) books are bound with cardboard covered with cloth, le ...
s are codices, but publishers and scholars reserve the term for
manuscript
A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand – or, once practical typewriters became available, typewritten – as opposed to mechanically printed or reproduced ...
(hand-written) books produced from
Late antiquity
Late antiquity is the time of transition from classical antiquity to the Middle Ages, generally spanning the 3rd–7th century in Europe and adjacent areas bordering the Mediterranean Basin. The popularization of this periodization in English has ...
until the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...
. The scholarly study of these manuscripts is sometimes called
codicology
Codicology (; from French ''codicologie;'' from Latin , genitive , "notebook, book" and Greek , '' -logia'') is the study of codices or manuscript books. It is often referred to as "the archaeology of the book," a term coined by François Masai. ...
. The study of ancient documents in general is called
paleography
Palaeography ( UK) or paleography ( US; ultimately from grc-gre, , ''palaiós'', "old", and , ''gráphein'', "to write") is the study of historic writing systems and the deciphering and dating of historical manuscripts, including the analysi ...
.
The codex provided considerable advantages over other book formats, primarily its compactness, sturdiness, economic use of materials by using both sides (
recto and verso
''Recto'' is the "right" or "front" side and ''verso'' is the "left" or "back" side when text is written or printed on a leaf of paper () in a bound item such as a codex, book, broadsheet, or pamphlet.
Etymology
The terms are shortened from ...
), and ease of reference (a codex accommodates
random access
Random access (more precisely and more generally called direct access) is the ability to access an arbitrary element of a sequence in equal time or any datum from a population of addressable elements roughly as easily and efficiently as any othe ...
, as opposed to a scroll, which uses
sequential access
Sequential access is a term describing a group of elements (such as data in a memory array or a disk file or on magnetic tape data storage) being accessed in a predetermined, ordered sequence. It is the opposite of random access, the ability to a ...
.)
History

The
Romans
Roman or Romans most often refers to:
*Rome, the capital city of Italy
*Ancient Rome, Roman civilization from 8th century BC to 5th century AD
*Roman people, the people of ancient Rome
*''Epistle to the Romans'', shortened to ''Romans'', a letter ...
used precursors made of reusable
wax-covered tablets of wood for taking notes and other informal writings. Two ancient
polyptych
A polyptych ( ; Greek: ''poly-'' "many" and ''ptychē'' "fold") is a painting (usually panel painting) which is divided into sections, or panels. Specifically, a "diptych" is a two-part work of art; a "triptych" is a three-part work; a tetrapty ...
s, a ''pentaptych'' and ''octoptych'' excavated at
Herculaneum
Herculaneum (; Neapolitan and it, Ercolano) was an ancient town, located in the modern-day ''comune'' of Ercolano, Campania, Italy. Herculaneum was buried under volcanic ash and pumice in the eruption of Mount Vesuvius in AD 79.
Like the ...
, used a unique connecting system that presages later sewing on of thongs or cords.
Julius Caesar may have been the first Roman to reduce scrolls to bound pages in the form of a note-book, possibly even as a papyrus codex. At the turn of the 1st century AD, a kind of folded parchment notebook called ''pugillares membranei'' in Latin became commonly used for writing in the
Roman Empire
The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Medite ...
.
Theodore Cressy Skeat
Theodore Cressy Skeat (15 February 1907 — 25 June 2003) was a librarian at the British Museum, where he worked as Assistant Keeper (from 1931), Deputy Keeper (from 1948), and Keeper of Manuscripts and Egerton Librarian (from 1961 to 1972).
Skeat ...
theorized that this form of notebook was invented in Rome and then spread rapidly to the Near East.
Codices are described in certain works by the
Classical Latin
Classical Latin is the form of Literary Latin recognized as a literary standard by writers of the late Roman Republic and early Roman Empire. It was used from 75 BC to the 3rd century AD, when it developed into Late Latin. In some later pe ...
poet,
Martial
Marcus Valerius Martialis (known in English as Martial ; March, between 38 and 41 AD – between 102 and 104 AD) was a Roman poet from Hispania (modern Spain) best known for his twelve books of ''Epigrams'', published in Rome between AD 86 an ...
. He wrote a series of five
couplets meant to accompany gifts of literature that Romans exchanged during the festival of
Saturnalia
Saturnalia is an ancient Roman festival and holiday in honour of the god Saturn, held on 17 December of the Julian calendar and later expanded with festivities through to 23 December. The holiday was celebrated with a sacrifice at the Temple o ...
. Three of these books are specifically described by Martial as being in the form of a codex; the poet praises the compendiousness of the form (as opposed to the scroll), as well as the convenience with which such a book can be read on a journey. In another poem by Martial, the poet advertises a new edition of his works, specifically noting that it is produced as a codex, taking less space than a scroll and being more comfortable to hold in one hand. According to
Theodore Cressy Skeat
Theodore Cressy Skeat (15 February 1907 — 25 June 2003) was a librarian at the British Museum, where he worked as Assistant Keeper (from 1931), Deputy Keeper (from 1948), and Keeper of Manuscripts and Egerton Librarian (from 1961 to 1972).
Skeat ...
, this might be the first recorded known case of an entire edition of a literary work (not just a single copy) being published in codex form, though it was likely an isolated case and was not a common practice until a much later time.
In his discussion of one of the earliest parchment codices to survive from
Oxyrhynchus
Oxyrhynchus (; grc-gre, Ὀξύρρυγχος, Oxýrrhynchos, sharp-nosed; ancient Egyptian ''Pr-Medjed''; cop, or , ''Pemdje''; ar, البهنسا, ''Al-Bahnasa'') is a city in Middle Egypt located about 160 km south-southwest of Cai ...
in Egypt, Eric Turner seems to challenge Skeat's notion when stating, "its mere existence is evidence that this book form had a prehistory", and that "early experiments with this book form may well have taken place outside of Egypt." Early codices of
parchment
Parchment is a writing material made from specially prepared untanned skins of animals—primarily sheep, calves, and goats. It has been used as a writing medium for over two millennia. Vellum is a finer quality parchment made from the skins o ...
or
papyrus
Papyrus ( ) is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, '' Cyperus papyrus'', a wetland sedge. ''Papyrus'' (plural: ''papyri'') can also refer to a ...
appear to have been widely used as personal notebooks, for instance in recording copies of letters sent (Cicero ''Fam.'' 9.26.1). Early codices weren't always cohesive. They often contained multiple languages, various topics and even multiple authors. "Such codices formed libraries in their own right." The parchment notebook pages were "more durable, and could withstand being folded and stitched to other sheets". Parchments whose writing was no longer needed were commonly washed or scraped for re-use, creating a
palimpsest
In textual studies, a palimpsest () is a manuscript page, either from a scroll
A scroll (from the Old French ''escroe'' or ''escroue''), also known as a roll, is a roll of papyrus, parchment, or paper containing writing.
Structure
A scr ...
; the erased text, which can often be recovered, is older and usually more interesting than the newer text which replaced it. Consequently, writings in a codex were often considered informal and impermanent. Parchment (animal skin) was expensive, and therefore it was used primarily by the wealthy and powerful, who were also able to pay for textual design and color. "Official documents and deluxe manuscripts
n_the_late_Middle.html" ;"title="late_Middle_Ages.html">n the late Middle Ages">late_Middle_Ages.html" ;"title="n the late Middle Ages">n the late Middle Ageswere written in gold and silver ink on parchment...dyed or painted with costly purple pigments as an expression of imperial power and wealth."
As early as the early 2nd century, there is evidence that a codex—usually of
papyrus
Papyrus ( ) is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, '' Cyperus papyrus'', a wetland sedge. ''Papyrus'' (plural: ''papyri'') can also refer to a ...
—was the preferred format among Christianity">Christians
Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...
. In the library of the Villa of the Papyri,