The Billions of Arsène Lupin is a detective novel by Maurice Leblanc about gentleman thief Arsène Lupin. The novel appeared in 29 daily serials, illustrated by Jean Oberle in Auto from 10 January to 11 February 1939, then published in volume 16 in Hachette (Collection "The Enigma" No. 13) in November 1941, with illustrations by André Pécoud.