Sudoku : four levels of difficulty
- 117 pages : Illustrations ; 21 cm
9781851285358
Sudoku--Juvenile literature
Mathematical recreations--Juvenile literature
Logic puzzles--Juvenile literature
Puzzles--Juvenile literature
--puzzles
793.73
9781851285358
Sudoku--Juvenile literature
Mathematical recreations--Juvenile literature
Logic puzzles--Juvenile literature
Puzzles--Juvenile literature
--puzzles
793.73