La forteresse des six lunes

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Overview:

Title: La forteresse des six lunes
Author: Clark Darlton, K.-H. Scheer
Year: 1967
Publisher: Fleuve Noir
Price: F3.30
Pages: 250
Binding: Paperback
Type: Novel
Title Reference: La forteresse des six lunes
Notes: First French edition according to Perrypedia.
{{Tr|{{A|Jacqueline H. Osterrath}}}}.
Apparent first printing.
Month of publication from Perrypedia, also the stated '{{Dépôt Légal}}' is for the first quarter of 1967. No AI on book.
Price given as "3,30F", but "3,40F" including local tax.
"7" on spine.
Note that the original title is given as Festung der sechs Monde.
Uncredited cover art; no signature; Gaston De Sainte-Croix is known for having illustrated Fleuve Noir Anticipation covers from #274 to #561.
The interior artwork is not credited but was clearly created by De Sainte-Croix.