In 1971 Producciones Editoriales did publish 1 book:
Wikingos. Un Buque a la deriva.
In 1980 Producciones Editoriales did publish 4 books:
1: WIKINGOS
2: LA INVASION DE LOS BARBAROS
3: LA TRAMPA DE LOS FALSOS SOLDADOS
4: EN PODER DE EL INVISIBLE
These books are published in their "coleccion Aventuras" serie. 32 PÁGINAS, 21 X 28,5 CM. HC books, printed in 1980.
These books are not made by Hal Foster!! The material inside looks like the material used by the Spanish "Ferma" editions.
Value Euro 25 for the first edition, 15 for the second serie.
