El gran secreto
From Author Wars - https://authorwars.com/publications/el-gran-secreto-745631.html
Overview:
- Title: El gran secreto
- Author: René Barjavel
- Year: 1977
- ISBN-10: 8473860942
- Publisher: Ultramar Editores
- Price: Pta 100
- Pages: 209
- Binding: Paperback
- Type: Novel
- Title Reference: El gran secreto
- Notes:
- Data retrieved from WorldCat, Biblioteca Nacional de España, Tercera Fundación and Términus Trántor.
- No mention of cover artist.