Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This book is about different types of unusual mathematics’ problems for the students of a middle school, who would like to improve their creative thinking in mathematics. The book has the problems, multiple chose to answer a problem, and answers for each chapter. The solutions could be send by one of the addresses that are given in the book.