Black belt sudoku®
Auteur :
Rios, Michael
Éditeur :
Union Square & Co.
ISBN :
9781402735981
Date de publication :
28 sept. 2005
Dimensions :
20,8 x 13,6 x 1,4 cm
Poids :
220 g
Format :
Trade paperback (UK)
Langue :
Anglais
Pays d'origine :
USA
Taking a page from karate - another Japanese art - each title in the series is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. Each title also contains 300 puzzles.