Marko is unhappy: he was supposed to be hunting for treasure with his friends using a map found in a bottle, but instead, he will spend his summer holidays with his annoying younger brother and his mother's friend's daughter. But Marko doesn't yet suspect that this summer he will become a real detective, solve the mystery of two people's disappearance, and, perhaps, find his treasure after all. But that's not for sure.
Author: Milan Petek-Levokov
Illustrations: Igor Šinkovec
Translation: Yulia Chernaya
Pages: 240 (offset). Hardcover
Dimensions: 215x150x17
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