| best books 2021 teens | 1.12 | 0.1 | 5350 | 21 | 3 |
| best books 2022 teens | 0.07 | 0.8 | 2872 | 21 | 32 |
| best books 2021 teenager | 1.32 | 0.2 | 2114 | 24 | 30 |
| find out the best books for teens in 2021 | 1.7 | 0.4 | 7955 | 41 | 64 |
| best books to read for teens 2021 | 0.96 | 0.9 | 143 | 33 | 7 |
| teen books to read 2021 | 0.78 | 1 | 7825 | 23 | 2 |
| best books for 2021 | 0.47 | 0.2 | 4614 | 19 | 57 |
| best kids books 2021 | 1.93 | 0.6 | 7131 | 20 | 90 |
| best young adult books of 2021 | 0.12 | 0.5 | 7710 | 30 | 76 |
| ten best books of 2021 | 1.56 | 1 | 9807 | 22 | 37 |
| best children's books 2021 | 0.13 | 0.6 | 5602 | 26 | 74 |
| best books list 2021 | 0.89 | 0.6 | 4491 | 20 | 44 |
| top 10 best books 2021 | 0.42 | 0.3 | 8367 | 22 | 84 |
| top ten books 2021 | 1.46 | 0.4 | 8683 | 18 | 72 |
| top books for 2021 | 0.5 | 0.2 | 240 | 18 | 5 |
| popular children books 2021 | 1.69 | 0.6 | 5380 | 27 | 54 |
| top rated books of 2021 | 0.82 | 0.8 | 6388 | 23 | 93 |
| popular books of 2021 | 1.59 | 0.3 | 6604 | 21 | 82 |
| popular books 2021 adults | 1.13 | 0.9 | 2219 | 25 | 7 |
