R. S. · Robert S. · Robert W. · W.S.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Lifeskills For Basic Good Health Habits Skills Workbook | 978-1-58532-009-7 (1-58532-009-9) | 1998 |
| Lifeskills For Jobs, Careers, and Occupations Vocabulary Word Search Puzzle Workbook | 978-1-58532-102-5 (1-58532-102-8) | 2001 |