| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Frog Music: Digest in 5 Minutes: Free Study Materials on Novels for Prime Members | 978-1-5002-5262-5 (1-5002-5262-X) | 2014 |
| The Fault in Our Stars: Digest in 5 Minutes | 978-1-4996-5659-6 (1-4996-5659-9) | 2014 |
| When I Found You: 5 Minute Digest: A Short Read Digest to Reader Favorites | 978-1-5004-0115-3 (1-5004-0115-3) | 2014 |