| Quiz ID | Title | Author | Book Level | Points |
|---|---|---|---|---|
| 8991 EN | UFO Challenge, The | Rasmussen, Richard | 7.8 | 4.0 |
| 42596 EN | UFOs | Coville, Bruce | 5.4 | 8.0 |
| 8993 EN | UFOs and Aliens | Alschuler, William | 6.7 | 2.0 |
| 41103 EN | Ultimate Escape, The | Clancy/Pieczenik | 7.0 | 10.0 |
| 46328 EN | Ultimate, The | Applegate, K.A. | 3.7 | 3.0 |
| 868 EN | Ulysses S. Grant | Kent, Zachary | 7.4 | 2.0 |
| 7596 EN | Umbrella | Yashima, Taro | 3.4 | 0.5 |
| 54977 EN | Uncertain Path, The | Watson, Jude | 4.6 | 4.0 |
| 7399 EN | Uncle Elephant | Lobel, Arnold | 2.9 | 0.5 |
| 59700 EN | Uncle Sam (American Symbols and Their Meanings) | Marcovitz, Hal | 7.5 | 1.0 |
| 57123 EN | Under a War-Torn Sky | Elliott, L.M. | 4.8 | 10.0 |
| 50167 EN | Under Copp's Hill | Ayres, Katherine | 4.1 | 5.0 |
| 19766 EN | Under His Spell | Keene, Carolyn | 5.0 | 5.0 |
| 51503 EN | Under the Lilacs | Alcott, Louisa May | 8.2 | 15.0 |
| 54503 EN | Under the Serpent Sea | Abbott, Tony | 3.6 | 2.0 |
| 68620 EN | Under the Stars | Baglio, Ben M. | 4.8 | 4.0 |
| 67703 EN | Undercover Agents (Top Secret) | Fine, Jil | 6.6 | 1.0 |
| 11450 EN | Undercover Tailback | Christopher, Matt | 4.1 | 3.0 |
| 25121 EN | Underground Railroad, The | Stein, R. Conrad | 6.7 | 1.0 |
| 18994 EN | Underground, The | Applegate, K.A. | 3.9 | 4.0 |
| 92 EN | Understood Betsy | Fisher, Dorothy | 6.0 | 8.0 |
| 44727 EN | Unexpected, The | Applegate, K.A. | 3.6 | 3.0 |
| 18749 EN | Unicorns Don't Give Sleigh Rides | Dadey/Jones, | 2.9 | 1.0 |
| 8994 EN | Unidentified Flying Objects | Collins, Jim | 5.9 | 1.0 |
| 17497 EN | Unidentified Flying Objects and Extra Terrestrial Life | Marsh, Carole | 8.6 | 2.0 |
| 62762 EN | United Tates of America | Danziger, Paula | 4.4 | 4.0 |
| 18995 EN | Unknown, The | Applegate, K.A. | 4.0 | 4.0 |
| 20647 EN | Until Angels Close My Eyes | McDaniel, Lurlene | 4.0 | 5.0 |
| 77275 EN | Unwilling Umpire, The | Roy, Ron | 3.5 | 1.0 |
| 249 EN | Up a Road Slowly | Hunt, Irene | 7.8 | 9.0 |
| 5047 EN | Up From Jericho Tel | Konigsburg, E.L. | 6.0 | 5.0 |
| 549 EN | Up from Slavery | Washington, Booker T. | 8.2 | 13.0 |
| 7400 EN | Up North in Winter | Hartley, Deborah | 2.8 | 0.5 |
| 20297 EN | Upchuck and the Rotten Willy | Wallace, Bill | 3.7 | 3.0 |
| 20298 EN | Upchuck and the Rotten Willy: The Great Escape | Wallace, Bill | 3.4 | 3.0 |
| 394 EN | Upon the Head of the Goat | Siegal, Aranka | 6.1 | 9.0 |
| 143 EN | Upstairs Room, The | Reiss, Johanna | 5.4 | 7.0 |
| 5912 EN | Urban Roosts: Where Birds Nest in the City | Bash, Barbara | 6.6 | 1.0 |