ISBN 7811004593 books & textbook
Sudoku: 101 puzzles ultimate challenge (increase Edition)(Chinese Edition)
(YING)GE RUI FEI SI · QIONG SI (Griffiths-Jones ， S.) GAO YANG YI
Beijing Sports University Press /2000-01-01 Paperback
isbn-10: 7811004593 / isbn-13: 9787811004595
