Mission secrète pour Neptune
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Overview:
- Title: Mission secrète pour Neptune
- Author: J. M. Walsh
- Year: 1955
- Publisher: Hachette
- Pages: 253
- Binding: Paperback
- Type: Novel
- Title Reference: Mission secrète pour Neptune
- Notes:
- Probable first printing (DL = 1st trimester 1955).
- No price on book.
- Although not numbered as such, this book has been given by convention the #31 of the publication series.
- Artist not credited but visible signature.