| 100% | ADOT | 4 | "Poke-___!" (kids' book series) |
| 80% | CLIFFORD | 8 | Kids' book series and TV show: __ the Big Red Dog |
| 80% | WALDO | 5 | “Where’s ___?” (look-and-find book series for kids) |
| 79% | NATE | 4 | Big __, book series like Diary of a Wimpy Kid |
| 78% | GOOSEBUMPS | 10 | R.L. Stine book series that might spook little kids |
| 76% | NATE | 4 | "___ the Great" (1972 kids' book that launched a series) |
| 76% | WALDO | 5 | "Where's ___?" (kids' book series) |
| 72% | TINY | 4 | "___ Titans," comic book series for kids which is set in an elementary school environment |
| 72% | GREG | 4 | ___ Heffley, protagonist of the children's comedy book series "Diary of a Wimpy Kid" |
| 71% | FANCY | 5 | "___ Nancy" (kids' book series with a rhyming title) |
| 71% | DIARY | 5 | "___ of a Wimpy Kid" (book series) |
| 67% | DUNE | 4 | Frank Herbert book series |
| 67% | ARNIE | 5 | Name of the titular anthropomorphic doughnut in a series of kid-lit books |
| 66% | WIMPY | 5 | "Diary of a ___ Kid," book series by Jeff Kinney |
| 64% | ISPY | 4 | Picture-riddle book series |
| 64% | TINY | 4 | "___ Titans" (comic book series) |
| 63% | NATE | 4 | "___ the Great" (kids' detective book series) |
| 61% | BEDELIA | 7 | Kids' book character Amelia ___ |
| 60% | AMONG | 5 | "__ Schoolchildren": Tracy Kidder book |
| 59% | ISPY | 4 | Book series with riddles by Jean Marzollo |
| 59% | OMEGA | 5 | J.D. Cameron book series |
| 59% | TIMELIFE | 8 | Source of many book series |
| 59% | WHERES | 6 | "___ Waldo?" (children's book series) |
| 59% | KANES | 5 | "___ War" (Nick Stone book series) |
| 59% | CITY | 4 | Frank Miller book series "Sin ___" |
| 59% | MONKANDROBOT | 12 | Becky Chambers' solarpunk book series |
| 58% | SWEETVALLEYHIGH | 15 | Book series featuring teenagers Elizabeth and Jessica Wakefield |
| 58% | JITTERY | 7 | 2022 kids book about anxiety, __ Jenny |
| 58% | IPROMISE | 8 | Bestselling kids book by LeBron James |
| 58% | WALDO | 5 | "Where's ___?" (children's book series) |