Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Is your child afraid of numbers? Help him/her get over that fear by making numerals friendlier to the mind. This Sudoku book is not easy but when once your child understands how it works, his/her math skills will improve tremendously. Patience, concentration and hard work will also get better the longer he/she plays. Grab a copy today.