Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Children and teens grades 6 - 8 are introduced to a much higher level of skills and subjects than in elementary school. The complexity can be overwhelming, but practicing brainteasers from this book can help. Brainteasers are a fun way to sharpen critical thinking skills and boost cognition. Order your copy today!