El secreto del búnquer
By: Matthias Martin ; [traducción de María Luz Rovira]
Series: Los Intrepidos, Jan y Jens
Publisher: Grupo Martinez Roca
Published: 1980
Place of publication: Barcelona
Language: spa
Number of pages: 103
ISBN-13: 9788427005556
Notes: Originally published in Germany as Das Versteck im Moor. ©1977.