| Author | Popularity |
| Andrew H. Gee |
2 |
| Close, Nancy Allison |
2 |
| Fox, Edward L. (Edward Lyle), 1938- |
2 |
| Graham M. Treece |
2 |
| Gregory D. Summers |
2 |
| Jonathan Folland |
2 |
| Katherine Brooke-Wavell |
2 |
| Kenneth E.S. Poole |
2 |
| Mathews, Donald K. |
2 |
| Sarah J. Allison |
2 |
| Winston J. Rennie |
2 |
| Carol Tonkin |
1 |