The title story and Vacances sans histoires (A Quiet Holiday), were serialised in Spirou magazine, before the hardcover album release in 1959.
When Egmont (on its imprint "Euro Books") published this album in English for the Indian market, it was given the title "The Gorilla Gold Adventure".
[1] In Le gorille a bonne mine, Spirou and Fantasio journey to Molomonga in central Africa, on a journalistic expedition to seek out the rare gorillas of Mount Kilimaki.
In a setting of uneasy atmosphere amidst questionable characters and unlikely accidents, their efforts become increasingly difficult, justifying the suspicion that someone tries to prevent the reporters from reaching their goal.
This leads to an encounter with Ibn-Mah-Zoud, an abundantly wealthy sheikh and allegedly the worst motorcar driver in the world, and who tries out their Turbotraction:Turbot-Rhino I.