| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Gedächtnistraining: 10 Schritte zum perfekten Gedächtnis | 978-3-89736-270-3 | 2007 | Huw Williams | |
| Memory Boosters: 10 Steps to a Powerful Memory | 978-0-600-61324-4 | 2005 | " | |
| Memory Booster Workout: 10 Steps to a Powerful Memory | 978-1-57145-989-3 | 2003 | " | |
| The Memory Booster Workout: 10 Steps to a Powerful Memory | 978-0-600-60708-3 | 2003 | " |
Edition XXL · Hamlyn · Thunder Bay Pr