| # | Book Title | Author | |
|---|---|---|---|
| 1 | Rotten Ralph | Gantos, Jack | |
| 2 | Worse Than Rotten, Ralph | Gantos, Jack | |
| 3 | Rotten Ralph's Rotten Christmas | Gantos, Jack | |
| 4 | Rotten Ralph's Trick or Treat! | Gantos, Jack | |
| 5 | Rotten Ralph's Show and Tell | Gantos, Jack | |
| 6 | Happy Birthday Rotten Ralph | Gantos, Jack | |
| 7 | Not So Rotten Ralph | Gantos, Jack | |
| 8 | Rotten Ralph's Rotten Romance | Gantos, Jack | |
| 9 | Back to School for Rotten Ralph | Gantos, Jack | |
| 10 | Rotten Ralph's Halloween Howl | Gantos, Jack | |
| 11 | Christmas Spirit Strikes Rotten Ralph, The | Gantos, Jack | |
| 12 | Wedding Bells for Rotten Ralph | Gantos, Jack | |
| 13 | Rotten Ralph's Thanksgiving Wish | Gantos, Jack | |
| 14 | Rotten Ralph Plays Fair | Gantos, Jack | |
| 15 | Nine Lives of Rotten Ralph, The | Gantos, Jack |