| Quiz ID | Title | Author | Book Level | Points |
|---|---|---|---|---|
| 432 EN | O'Diddy | Stevenson, Jocelyn | 3.5 | 1.0 |
| 46287 EN | Odysseus in the Serpent Maze | Yolen/Harris | 5.0 | 7.0 |
| 14100 EN | Officer Buckle and Gloria | Rathmann, Peggy | 3.4 | 0.5 |
| 433 EN | Oh Honestly, Angela! | Robinson, Nancy | 4.5 | 3.0 |
| 24779 EN | Ohio (Portrait of America) | Thompson, Kathleen | 6.9 | 1.0 |
| 13821 EN | Oil Spill! | Berger, Melvin | 3.6 | 0.5 |
| 5994 EN | Old Man and the Sea, The | Hemingway, Ernest | 5.1 | 4.0 |
| 65 EN | Old Mother West Wind | Burgess, Thornton | 4.0 | 2.0 |
| 66 EN | Old Yeller | Gipson, Fred | 5.8 | 6.0 |
| 71432 EN | Olive's Ocean | Henkes, Kevin | 4.7 | 4.0 |
| 7336 EN | Oliver | Hoff, Syd | 1.8 | 0.5 |
| 284 EN | Oliver Dibbs to the Rescue! | Steiner, Barbara | 5.0 | 4.0 |
| 11559 EN | Olympic Dream | Christopher, Matt | 4.9 | 5.0 |
| 46807 EN | Omaha, The | Anderson, Madelyn Klein | 7.3 | 1.0 |
| 128 EN | On My Honor | Bauer, Marion Dane | 5.3 | 2.0 |
| 67 EN | On the Banks of Plum Creek | Wilder, Laura Ingalls | 4.7 | 9.0 |
| 35570 EN | On the Course with...Tiger Woods | Christopher, Matt | 7.1 | 4.0 |
| 35568 EN | On the Court with...Grant Hill | Christopher, Matt | 7.7 | 3.0 |
| 35566 EN | On the Court with...Lisa Leslie | Christopher, Matt | 6.7 | 3.0 |
| 35575 EN | On the Court with...Michael Jordan | Christopher, Matt | 6.6 | 4.0 |
| 67171 EN | On the Court with...Venus and Serena Williams | Christopher/Stout | 6.8 | 3.0 |
| 67172 EN | On the Field with...Alex Rodriguez | Christopher/Stout | 6.3 | 3.0 |
| 35573 EN | On the Field with...Emmitt Smith | Christopher, Matt | 6.3 | 3.0 |
| 35576 EN | On the Field with...Mia Hamm | Christopher, Matt | 7.0 | 4.0 |
| 67173 EN | On the Halfpipe with...Tony Hawk | Christopher/Stout | 7.9 | 3.0 |
| 67276 EN | On the Ice with...Mario Lemieux | Christopher, Matt | 7.1 | 3.0 |
| 35572 EN | On the Ice with...Tara Lipinski | Christopher, Matt | 7.0 | 3.0 |
| 35574 EN | On the Ice with...Wayne Gretzky | Christopher, Matt | 7.5 | 4.0 |
| 77520 EN | On the Mound with...Curt Schilling | Christopher, Matt | 6.6 | 3.0 |
| 35569 EN | On the Mound with...Greg Maddux | Christopher, Matt | 6.2 | 4.0 |
| 45056 EN | On the Run | Jenkins/LaHaye | 4.5 | 4.0 |
| 48335 EN | On the Track with...Jeff Gordon | Christopher/Stout | 7.0 | 3.0 |
| 5033 EN | On the Way Home | Wilder, Laura Ingalls | 3.8 | 2.0 |
| 29236 EN | Once a Mouse... | Brown, Marcia | 3.2 | 0.5 |
| 9619 EN | One Day at HorrorLand | Stine, R.L. | 3.4 | 3.0 |
| 44824 EN | One Eye Laughing, the Other Weeping: The Diary of Julie Weiss | Denenberg, Barry | 5.6 | 6.0 |
| 241 EN | One-Eyed Cat | Fox, Paula | 6.2 | 8.0 |
| 5488 EN | One Fine Day | Hogrogian, Nonny | 3.5 | 0.5 |
| 679 EN | One in the Middle Is a Green Kangaroo, The | Blume, Judy | 1.5 | 0.5 |
| 777 EN | One Thing for Sure | Gifaldi, David | 4.4 | 6.0 |
| 68 EN | Onion John | Krumgold, Joseph | 4.7 | 9.0 |
| 56340 EN | Only Witness, The | Watson, Jude | 5.4 | 3.0 |
| 72764 EN | Open Your Eyes: Extraordinary Experiences in Faraway Places | Davis et al., Jill | 6.1 | 7.0 |
| 39843 EN | Opening Moves | Berg, Barry | 5.8 | 1.0 |
| 8484 EN | Operation Siberian Crane | Friedman, Judi | 7.1 | 2.0 |
| 9941 EN | Oprah Winfrey: Television Star | Otfinoski, Steven | 6.5 | 1.0 |
| 62265 EN | Orange Outlaw, The | Roy, Ron | 3.6 | 1.0 |
| 8887 EN | Ordeal by Innocence | Christie, Agatha | 5.7 | 11.0 |
| 380 EN | Ordinary Jack | Cresswell, Helen | 7.5 | 9.0 |
| 746 EN | Ordinary People | Guest, Judith | 8.0 | 14.0 |
| 25116 EN | Oregon Trail, The | Stein, R. Conrad | 6.0 | 1.0 |
| 5222 EN | Original Adventures of Hank the Cowdog, The | Erickson, John R. | 4.5 | 3.0 |
| 7337 EN | Oscar Otter | Benchley, Nathaniel | 1.6 | 0.5 |
| 10014 EN | Osceola | Bland, Celia | 9.0 | 4.0 |
| 39844 EN | Osceola: Memories of a Sharecropper's Daughter | Govenar, Alan | 4.7 | 1.0 |
| 10949 EN | Othello | Lester, Julius | 5.6 | 6.0 |
| 42589 EN | Other, The | Applegate, K.A. | 4.3 | 3.0 |
| 488 EN | Otherwise Known as Sheila the Great | Blume, Judy | 3.5 | 3.0 |
| 6482 EN | Otis Spofford | Cleary, Beverly | 5.1 | 3.0 |
| 35294 EN | Our Only May Amelia | Holm, Jennifer L. | 4.8 | 7.0 |
| 6007 EN | Our Sixth-Grade Sugar Babies | Bunting, Eve | 4.7 | 4.0 |
| 44826 EN | Our Strange New Land: Elizabeth's Diary...Virginia,1609 | Hermes, Patricia | 3.2 | 2.0 |
| 8989 EN | Out-of-Body Experiences | Green, Carl | 5.0 | 1.0 |
| 19540 EN | Out of Darkness: The Story of Louis Braille | Freedman, Russell | 6.7 | 2.0 |
| 65964 EN | Out of Sight, Out of Mind | Mazer, Anne | 3.2 | 2.0 |
| 18783 EN | Out of the Dust | Hesse, Karen | 5.6 | 7.0 |
| 25885 EN | Out of Time | Archer, Chris | 4.6 | 4.0 |
| 54938 EN | Out to Canaan | Karon, Jan | 5.5 | 16.0 |
| 15097 EN | Outcast of Redwall | Jacques, Brian | 6.7 | 18.0 |
| 28230 EN | Outside and Inside Bats | Markle, Sandra | 5.6 | 1.0 |
| 17830 EN | Outside Shooter | Dygard, Thomas J. | 5.8 | 5.0 |
| 381 EN | Outsiders, The | Hinton, S.E. | 6.7 | 8.0 |
| 129 EN | Over Sea, Under Stone | Cooper, Susan | 7.0 | 13.0 |
| 19541 EN | Over the Top of the World: Explorer Will Steger's Trek... | Steger/Bowermaster | 6.0 | 2.0 |
| 7387 EN | Owl at Home | Lobel, Arnold | 2.2 | 0.5 |
| 5532 EN | Owl Moon | Yolen, Jane | 2.9 | 0.5 |
| 680 EN | Owls in the Family | Mowat, Farley | 4.9 | 3.0 |
| 542 EN | Ox-Bow Incident, The | Clark, Walter | 5.4 | 12.0 |
| 26655 EN | Ozma of Oz | Baum, L. Frank | 7.4 | 7.0 |