Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
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Kids love to be challenged with puzzles, and this book does that as well as exposes them to math problems. Not only will they be learning, but they will have fun while doing so. Math no longer needs to be difficult with this exciting puzzle book; pick up a copy.