How to do sudoku
"Vorderman's, Carol"
How to do sudoku - 0 - London Eubry Publishing 2005 - 320p. : ill. ;19.5cm.
009190997X
Logic puzzles
Mathematical recreations
Sudoku
How to do sudoku - 0 - London Eubry Publishing 2005 - 320p. : ill. ;19.5cm.
009190997X
Logic puzzles
Mathematical recreations
Sudoku