Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This is a silly look at mathematics for kids who do not like mathematics at all. The book makes fun of every math concept, from addition to calculus and quite a few mathematicians as well. And they deserve it.