| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Plus 1: The Introductory Coaching System for Maths Success | 978-0-9539812-1-2 (0-9539812-1-5) | 2005 |
| Power of 2: The One to One Coaching System for Maths Success | 978-0-9539812-0-5 (0-9539812-0-7) | 2001 |
D. J. · D S · D. Sharp · David J. · David J. Sharp · David Joseph · David S. · David Sharp · J. S. · J. Sharp · Joseph S. · Joseph Sharp