| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9676872-0-9 | Susan Whalley | How to Write Powerful Letters of Recommendation |
| 2002 | 978-0-9676872-1-6 | Susan Whalley | Creating Glowing and Glorious Letters of Recommendation |
| 2012 | 978-0-9676872-2-3 | '' | Counselor's Toolbox |