La boîte noire, by Nic (Broca) & Cauvin, is the thirty-first album of the Spirou et Fantasio series, and the second of the authors. The story was initially serialised in Spirou magazine, before released as a hardcover album in 1983.

This article relies largely or entirely on a single source. (April 2024)

Quick Facts Spirou et Fantasio #31 La boîte noire, Date ...

Spirou et Fantasio #31 La boîte noire
Cover of the Belgian edition
Date	1983
Series	Spirou et Fantasio
Publisher	Dupuis
Creative team
Writers	Cauvin
Artists	Nic
Original publication
Published in	Spirou magazine
Issues	2322 - #2343
Date of publication	1982
Language	French
ISBN	2-8001-0994-7
Chronology
Preceded by	La ceinture du grand froid, 1983
Followed by	Les faiseurs de silence, 1984

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In The Black Box, Fantasio opened the mysterious box that Jefferson, Boris and Karl left them (see La ceinture du grand froid), and discovers plans within for thousands of inventions. When he tests one in company of Spirou, it draws the attention of Commander Alexander, who retrieves the box with Kalloway. Spirou must exchange the black box with them for Fantasio's release. Thanks to Jefferson, they discover that the gangsters are hiding in a stronghold in the Sahara, where they are protected by natives. Spirou and Fantasio travel there and succeed in taking the box back from Alexander and Kalloway, while making themselves pass for dead.