La boîte noire

• Title — Spirou et Fantasio #31 La boîte noire • Publisher — Dupuis • Date — 1983 • Series — Spirou et Fantasio • Origlanguage — French • Origpublication — Spirou magazine • Origissues — #2322 - #2343 • Origdate — 1982 • Origisbn — 2-8001-0994-7 • Writers — Cauvin • Artists — Nic • Previssue — La ceinture du grand froid, 1983 • Nextissue — Les faiseurs de silence, 1984

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.