Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Simple game and big fun!Puzzles with exact one solutionPuzzles pre-filled 21 to 24 cellsPuzzles that can be solved without guessingA good diversion from your regular workA feeling of challenge to solve the puzzlesA feeling of satisfaction or achievement after solving the puzzlesGood for beginners and those people who prefer things to be definite