Title: un voyage en arcturus

Translator: Claude Saunier

Publisher: Editions Denoël, France

Binding: Paperback

Date of issue: Printed August 1975, copyrighted 1976. Date of issue quoted by Amazon as 19th March 1976.

Publisher's series: Présence du futur #207

ISBN: Amazon gives the ISBN as 2207302075, but the edition I have has no ISBN.

Page count: 348

Edition notes: There is another cover image I've found on the web, seemingly for the same edition. Not sure if this is a variant cover, or a later/earlier issue.

Variant cover images: