| 100% | ANIMORPHS | 9 | Animal morphers, like Applegate's book series |
| 45% | MRMEN | 5 | Children's book series with characters that have surnames like Happy, Lazy and Noisy |
| 40% | NATE | 4 | Big __, book series like Diary of a Wimpy Kid |
| 40% | ROBINSON | 8 | Swiss Family in children's book series |
| 38% | WHERES | 6 | "___ Waldo?" (children's book series) |
| 38% | VOLUME | 6 | Single book in a series, like an encyclopedia |
| 37% | ARNIE | 5 | "___ the Doughnut," children's book series |
| 37% | NATE | 4 | "___ the Great" (children's book series) |
| 37% | PETE | 4 | "___ the Cat" (children's book series) |
| 37% | TREE | 4 | "Magic ___ House" (children's book series) |
| 36% | PIGGIE | 6 | "Elephant and __" (Mo Willems children's book series) |
| 36% | RAMONA | 6 | Mischievous girl of Beverly Cleary's book series |
| 36% | ISPY | 4 | Popular children's book series with hidden objects |
| 36% | REACHER | 7 | Jack character in Lee Child's book series |
| 36% | PERCY | 5 | "___ Jackson and the Olympians" (children's book series) |
| 36% | PERCY | 5 | Demigod hero Jackson in children's book series |
| 35% | ISPY | 4 | Children's book series akin to "Where's Waldo?" |
| 35% | ISPY | 4 | Children's book series with hidden objects: 2 wds. |
| 35% | TOAD | 4 | Frog and ___ (friends in a children's book series) |
| 35% | ISPY | 4 | Children's book series for finding objects in photos |
| 35% | TOAD | 4 | Partner of Frog in a children's book series |
| 35% | ARNIE | 5 | "___ the Doughnut," start of a children's book series |
| 35% | RED | 3 | Like Mao's "little" book |
| 34% | BABAR | 5 | King of the elephants in a children's book series |
| 34% | NODDY | 5 | Popular children's book series by English author Enid Blyton |
| 34% | SPOT | 4 | Dog in the "Dick and Jane" children's book series |
| 34% | WALDO | 5 | "Where's ___?" (children's book series) |
| 34% | MIRACLE | 7 | Barbara Kingsolver's book Animal, Vegetable, __ |
| 34% | OXEN | 4 | Animals like Paul Bunyan's Babe |
| 34% | MADELINE | 8 | Title girl in a children's book series set in Paris |