| Hop on Pop | Seuss, Dr. | | Kindergarten, |
| Hope was Here | Bauer, John | | Secondary, |
| Horizon | Westerfeld, Scott | Horizon; 1 | Sixth Grade, |
| Horrible Harry and the Ant Invasion | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Christmas Surprise | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Dead Letters | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Dragon War | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Drop of Doom | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Dungeon | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Goog | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Green Slime | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Hallway Bully | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Holidaze | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the June Box | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Kickball Wedding | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Locked Closet | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Missing Diamond | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Mud Gremlins | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Purple People | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Scarlet Scissors | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Secret Treasure | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Stolen Cookie | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Top-Secret Hideout | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Triple Revenge | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry and the Wedding Spies | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry at Halloween | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Bugs the Three Bears | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Cracks the Code | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Goes Cuckoo | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Goes to Sea | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Goes to the Moon | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry in Room 2B | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Moves up to Third Grade | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry Takes the Cake | Kline, Suzy | Horrible Harry | Second Grade, |
| Horrible Harry’s Secret | Kline, Suzy | Horrible Harry | Second Grade, |
| Horse | Stamps, Caroline | DK Eye Wonder | Third Grade, |
| Horse and His Boy, The | Lewis, C.S. | Chronicles of Narnia; 3 | Fifth Grade, |
| Horse Club | Murphy, Patricia | DK Adventures | Fourth Grade, |
| Horse Heroes | Osborne, Mary Pope | Magic Tree House Research Guides (Nonfiction Companion to Stallion by Starlight) | Second Grade, |
| Horses and Ponies | Stamps, Caroline | DK Eye Wonder | Third Grade, |
| Horton and the Kwuggerbug and more Lost Stories | Seuss, Dr. | | Kindergarten, |
| Horton Hatches the Egg | Seuss, Dr. | | Kindergarten, |
| Horton Hears a Who | Seuss, Dr. | | Kindergarten, |
| Horus and the Curse of Everlasting Regret | Voskuil, Hannah | | Fourth Grade, |
| Hostile Hospital, The | Snicket, Lemony | Series of Unfortunate Events; 8 | Fifth Grade, |
| Hot Dog!: Eleanor Roosevelt Throws a Picnic | Kimmelman, Leslie | | Third Grade, |
| Hotel Between, The | Easley, Sean | | Fifth Grade, |
| Hotel Bruce | Higgins, Ryan T. | Mother Bruce | Kindergarten, |
| Hotel on the Corner of Bitter and Sweet | Ford, Jamie | | Secondary, |
| Hound of the Baskervilles, The | Doyle, Sir Arthur Conan | | Secondary, |
| Hour of the Olympics | Osborne, Mary Pope | Magic Tree House; 16 | Second Grade, |
| House at Pooh Corner, The | Milne, A.A. | | Fourth Grade, |
| House for a Hermit Crab, A | Carle, Eric | Eric Carle Author or Illustrator Picture Book | Second Grade, |
| House for Birdie, A | Murphy, Stuart J. | | Kindergarten, |
| House in the Sky, A: And Other Uncommon Animal Homes | Jenkins, Steve | | First Grade, |
| House Is a House for Me, A | Hoberman, Mary Ann | | First Grade, |
| House of Power, The | Carman, Patrick | Atherton; 1 | Secondary, |
| House on the Cliff, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| House That Jane Built: A Story About Jane Addams, The | Stone, Tanya Lee | | Third Grade, |
| Houseboat Mystery | Warner, Gertrude Chandler | Boxcar Children, The (originals); 12 | Third Grade, |
| How a Seed Grows | Jordan, Helene | | Kindergarten, |
| How Airplanes Get from Here . . . to There! | Brown, Jordan | Science of Fun Stuff | Third Grade, |
| How Animal Babies Stay Safe | Fraser, Mary Ann | | Kindergarten, |
| How Big were Dinosaurs? | Judge, Lita | | First Grade, |
| How Could a Bear Sleep Here? | Gonzalez, Julie | | Kindergarten, |
| How Did That Get in My Lunchbox?: The Story of Food | Butterworth, Christine | | Third Grade, |
| How do Apples Grow? | Maestro, Betsy | | Second Grade, |
| How Does My Home Work? | Butterworth, Christine | | Third Grade, |
| How I Became a Spy: A Mystery of WWII London | Hopkinson, Deborah | | Fifth Grade, |
| How Kate Warne Saved President Lincoln: The Story Behind the Nation’s First Woman Detective | Van Steenwyk, Elizabeth | | Second Grade, |
| How Many Days to America: A Thanksgiving Story | Bunting, Eve | | First Grade, |
| How Many Ways Can You Catch a Fly? | Jenkins, Steve | | Third Grade, |
| How Martha Saved Her Parents from Green Beans | LaRochelle, David | | Kindergarten, |
| How Mountains Are Made | Zoehfeld, Kathleen Weidner | Let's-Read-and-Find-Out Science; Stage 2 | Fourth Grade, |
| How Much Does a Ladybug Weigh? | Limentani, Alison | | Kindergarten, |
| How Much is a Million? | Schwartz, David M. | | Second Grade, |
| How People Learned to Fly | Hodgkins, Fran | Let's-Read-and-Find-Out Science; Stage 2 | Second Grade, |
| How the Camel Got His Hump | Kipling, Rudyard | | Second Grade, |
| How the Grinch Stole Christmas | Seuss, Dr. | | Second Grade, |
| How They Choked: Failures, Flops, and Flaws of the Awfully Famous | Bragg, Georgia | | Secondary, |
| How Things Work | Resler, T.J. | National Geographic Kids | Sixth Grade, |
| How Things Work: Then and Now | Resler, Tamara J. | National Geographic Kids | Sixth Grade, |
| How to Avoid Extinction | Acampora, Paul | | Sixth Grade, |
| How to Capture an Invisible Cat | Tobin, Paul | Genius Factor; 1 | Sixth Grade, |
| How to Clean a Hippopotamus | Jenkins, Steve | | Third Grade, |
| How to Dig a Hole to the Other Side of the World | McNulty, Faith | | First Grade, |
| How to Live Like a Viking Warrior | Ganeri, Anita | How to Live Like... | Third Grade, |
| How to Outsmart a Billion Robot Bees | Tobin, Paul | Genius Factor; 2 | Sixth Grade, |
| How to Swallow a Pig: Step-by-Step Advice from the Animal Kingdom | Jenkins , Steve | | Third Grade, |
| How to Track a Truck | Eaton, Jason Carter | | Kindergarten, |
| How we Crossed the West: The Adventures of Lewis & Clark | Schanzer, Rosalyn | | Fifth Grade, |
| Howard and the Mummy: Howard Carter and the Search for King Tut’s Tomb | Fern, Tracey E. | | Third Grade, |
| Howl’s Moving Castle | Jones, Diana Wynn | | Sixth Grade, |
| Howliday Inn | Howe, James | Bunnicula; 2 | Fourth Grade, |
| Huge Hog is a Big Pig, A | McCall, Frances X. | | Kindergarten, |
| Hugely-Wugely Spider, The | Berlin, Ethan T. | | First Grade, |
| Human Body | Walker, Richard | Kingfisher Knowledge | Secondary, |
| Human Body, The | Green, Dan | Magic School Bus Presents (Nonfiction Companion to The Magic School Bus Inside the Human Body) | Third Grade, |
| Human Body, The | Jennings, Ken | Ken Jennings' Junior Genius Guides | Sixth Grade, |
| Hunchback Assignments, The | Slade, Arthur G. | Hunchback Assignments; 1 | Secondary, |