Kosmos Die drei??? Kids, Das ekligste Buch aller Zeiten

At Uncle Titus' junkyard, the three ??? kids come across an old, tattered book. Could it be the work of a witch? Among the spells in the book, Justus, Peter, and Bob also find a wizard's recipe that promises infinite wisdom. But before the friends can brew the potion, a whole gang of sinister figures is already after them.

Not only is the determination of the three detectives required here, but readers must also help by unlocking the sealed pages of the book. Only then can the three ??? solve the disgusting case – excitement and thrills guaranteed!.