Debbie Lane
750 Sudoku Puzzles Level 1 Volume 2- 750 Sudoku Puzzles Level 11 Volume 1
- 750 Sudoku Puzzles Level 15 Volume 1
- Easy Kakuro Jumbo Print Volume 1
- Easy Kakuro Jumbo Print Volume 2
- Futoshiki Puzzles Easy 4 Grid Volume 1
- Futoshiki Puzzles Easy 5 Grid Volume 1
- Futoshiki Puzzles Easy 6 Grid Volume 1
- Futoshiki Puzzles Easy 7 Grid Volume 1
- Futoshiki Puzzles Easy 8 Grid Volume 1
- GuÍa para Insomnes
- Insomniacs Guide