Author: Vladimir Tumanov
Turkish Editor: Müren Beykan
Turkish Translation: Mine Kazmaoğlu
Illustrator: Sadi Güran
176 pages
120x180 mm
Imported book paper
Black-and-white illustrations
1st edition: 2004
182nd edition: 2024
Age: 9, 10, 11, 12+
Grade: 3, 4, 5, 6, 7
Turkish Book
Aleks, who realizes that the strange pen he found on the road solves all the annoying math problems he faces, has no idea what kind of adventure he is about to embark on. The mysterious book that appears in his bookshelf captivates both him and his friends, Sam and Vanessa. According to the book, they need to solve hundreds of fascinating math puzzles to rescue Queen Jayden of the Emerald Kingdom, who has been kidnapped to King Rechner's castle. As each puzzle is solved, the dungeon doors will open one by one. For these three friends, there is no escape except a breathless struggle to help the Queen...
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