KenKen : the new brain-training puzzle phenomenon : book 2 /
Miyamoto, Tetsuya.
KenKen : the new brain-training puzzle phenomenon : book 2 / Tetsuya Miyamoto. - Tokyo, Japan : Gakken Co., Ltd, c2008. - xv, various paging ; 18cm.
Mental efficiency--problems, exercises, etc.
Puzzle.
KenKen : the new brain-training puzzle phenomenon : book 2 / Tetsuya Miyamoto. - Tokyo, Japan : Gakken Co., Ltd, c2008. - xv, various paging ; 18cm.
Mental efficiency--problems, exercises, etc.
Puzzle.