The Secrets of Droon
25, The Riddle of Zorfendorf CastleBook - 2005
Eric and his friends have long known about the mysterious and beautiful Zorfendorf Castle. But when Emperor Ko launches a surprise attack, the kids discover that the castle is not all it seems.
Characteristics: 124 pages :,illustrations ;,20 cm
Alternative Title: Riddle of Zorfendorf Castle.