''Je sais tout'' (meaning ''I Know All'' in English) was a French

magazine A magazine is a periodical literature, periodical publication, print or digital, produced on a regular schedule, that contains any of a variety of subject-oriented textual and visual content (media), content forms. Magazines are generally fin ...

established by Pierre Lafitte in 1905. It was noted for featuring the works of

Maurice Leblanc Maurice Marie Émile Leblanc (; ; 11 December 1864 – 6 November 1941) was a French novelist and writer of short stories, known primarily as the creator of the fictional gentleman thief and detective Arsène Lupin, often described as a French ...

, in particular the adventures of

Arsène Lupin Arsène Lupin () is a fictional gentleman thief and master of disguise created in 1905 by French writer Maurice Leblanc. The character was first introduced in a series of short stories serialized in the magazine '' Je sais tout''. The first ...

, which was first published in 1905. ''Je sais tout'' was a popular science magazine. The magazine appeared on the 15th day of each month, but publication was interrupted from August 1914 to the end of 1914. The magazine's format was usually 17.5 cm by 24.5 cm, and contained more than 100 pages. The magazine's logo was created by Jules-Alexandre Grün. Initial circulation figures were estimated to be about 250,000. The headquarters of the magazine was in

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

. ''Je sais tout'' was published in its original form until 15 January 1922, when it was reformed as ''Je sais tout, la revue de la découverte'' (meaning ''I Know All, Review of Discovery'' in English), and was published on the 1st of the month instead. The last issue of the new format, and thus ''Je sais tout'' overall, was released on 1 September 1939.

The Arsène Lupin adventures

* ''

Arsène Lupin, Gentleman Burglar ''Arsène Lupin, Gentleman Burglar'' () is the first collection of stories by Maurice Leblanc recounting the adventures of Arsène Lupin, released on 10 June 1907. It contains the first nine stories depicting the character, first published in the ...

'', published in 9 parts in issues 6, 11, 12, 13, 15, 16, 17, 18 et 28, from July 1905 to May 1907 * '' Arsène Lupin vs. Herlock Sholmes'', published in 2 parts from November 1906 to October 1907 * '' The Hollow Needle'', published from November 1908 to May 1909 * ', published in 9 parts from April 1911 to June 1913

References

External links

''Je sais tout''
accessible online from Gallica, the digital catalogue of the French National Library.
WorldCat record
1905 establishments in France 1939 disestablishments in France Arsène Lupin Defunct literary magazines published in France French-language magazines Magazines established in 1905 Magazines disestablished in 1939 Magazines published in Paris Monthly magazines published in France Popular science magazines {{Europe-lit-mag-stub