| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Elements of Learning Racquetball | 978-0-697-29453-1 (0-697-29453-6) | 1997 |
| Skills, Drills & Strategies for Racquetball | 978-1-890871-17-8 (1-890871-17-6) | 1999 |
(D-R) · D.W. · D. Walker · David R. · David Richard Walker · David W. · David Walker · Dr David R. Walker · R. Walker