E.N. ยท Editors of
| title | ISBN-13 | year of publication |
|---|---|---|
| More Original Sudoku | 978-0-7611-4397-0 | 2006 |
| Original Sudoku | 978-0-7611-4215-7 | 2005 |
| The Original Sudoku Book 2 | 978-0-7611-4296-6 | 2005 |
| The Original Sudoku Page-A-Day Calendar 2008 | 978-0-7611-4586-8 | 2007 |
| The Original Sudoku Page-A-Day Calendar 2009 | 978-0-7611-4992-7 | 2008 |
| The Original Sudoku Page-A-Day Calendar 2010 | 978-0-7611-5263-7 | 2009 |
| X-Treme Sudoku | 978-0-7611-4622-3 | 2006 |