HarperCollins · Maas Presentations
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Power Sleep: The Revolutionary Program That Prepares Your Mind for Peak Performance | 978-0-06-097760-3 (0-06-097760-4) | 1999 | David J. Axelrod |
| Remmy and the Brain Train: Traveling Through the Land of Good Sleep | 978-0-9712140-0-2 (0-9712140-0-X) | 2001 | |