Collected edition of 2 issues of the series.
These are NOT reprints but unsold copies (returned books), freed from their covers and bound together, which went back into distribution.
The content can vary as they used up the material that was "on hand".
This version contains the stories:
- Das Geheimnis von World Oak
- Der Gigant mit den drei Gesichtern
- Die gläsernde Lady
- Die Macht des Bösen