Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
1000 Sudoku for adults in 4 levels (easy, medium, hard, very hard). All with solutions.Sections Of The Book: •1000 Puzzles •4 Puzzles Per Page •The Solutions are at the end of the page