Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
More Math! More Fun! More Pickles! The gang from Kalculus for Kids are back in new adventures! Read on to learn about trigonometry and sinusoidal wave functions, and to find the answers to the burning questions: Can the surfer dude surf a sine wave? Can Dolores find love through trigonometry?