| Larf | Spires, Ashley | | Kindergarten, |
| LaRue Across America: Postcards From the Vacation | Teague, Mark | Dear Mrs. LaRue | Second Grade, |
| LaRue for Mayor: Letters from the Campaign Trail | Teague, Mark | Dear Mrs. LaRue | Second Grade, |
| Last Battle, The | Lewis, C.S. | Chronicles of Narnia; 7 | Fifth Grade, |
| Last Chance Hotel, The | Thornton, Nicki | Seth Seppi Mystery; 1 | Fifth Grade, |
| Last Dragon, The | Riley, James | Revenge of Magic; 2 | Fifth Grade, |
| Last Fairy-Apple Tree, The | Rodda, Emily | Fairy Realm; 4 | Third Grade, |
| Last in a Long Line of Rebels | Tyre, Lisa Lewis | | Fifth Grade, |
| Last Man Out | Lupica, Mike | | Sixth Grade, |
| Last of the Mohicans | Cooper, James Fenimore | | Secondary, |
| Last of the Really Great Whangdoodles, The | Edwards, Julie | | Fourth Grade, |
| Last Olympian, The | Riordan, Rick | Percy Jackson and the Olympians; 5 | Secondary, |
| Last Thing I Remember, The | Klaven, Andrew | Homelanders; 1 | Secondary, |
| Last, Last-Day-of-Summer, The | Giles, L. R. | | Fifth Grade, |
| Late for School | Reiss, Mike | | Second Grade, |
| Laura Ingalls Wilder: A Biography | Anderson, William | | Secondary, |
| Laura Ingalls Wilder: Young Pioneer | Gormley, Beatrice | Childhood of Famous Americans | Third Grade, |
| Lay of the Last Minstrel | Scott, Sir Walter | | Secondary, |
| Le morte d’Arthur | Malory, Sir Thomas | | Secondary, |
| League of Archers | Howard, Eva | League of Archers; 1 | Sixth Grade, |
| League of Unexceptional Children, The | Daneshvari, Gitty | League of Unexceptional Children, The; 1 | Sixth Grade, |
| League of Unexceptional Children, The: Get Smart-ish | Daneshvari, Gitty | League of Unexceptional Children, The; 2 | Sixth Grade, |
| Leaping Lizards | Murphy, Stuart J. | | Kindergarten, |
| Leaps and Bounce | Hood, Susan | | Second Grade, |
| Leave Me Alone! | Brosgol, Vera | | First Grade, |
| Legend of Bluebonnet: An old tale of Texas, The | DePaola, Tomie | | First Grade, |
| Legend of Jimmy Spoon, The | Gregory, Kristiana | | Fifth Grade, |
| Legend of Luke, The | Jacques, Brian | Redwall; 12 | Sixth Grade, |
| Legend of Starfire, A | Burt, Marissa | Sliver of Stardust; 2 | Sixth Grade, |
| Legend of the Rift, The | Lerangis, Peter | Seven Wonders; 5 | Secondary, |
| Leif Eriksson | Knudsen, Shannon | | Third Grade, |
| Lemonade for Sale | Murphy, Stuart J. | | Second Grade, |
| Lemonade Raid, The | Keene, Carolyn | Nancy Drew Notebooks | Second Grade, |
| Leo the Late Bloomer | Kraus, Robert | | First Grade, |
| Leonardo da Vinci | Osborne, Mary Pope | Magic Tree House Research Guides (Nonfiction Companion to Monday with a Mad Genius) | Second Grade, |
| Leopardpox! | Landau, Orna | | Kindergarten, |
| Leprechaun in Late Winter | Osborne, Mary Pope | Magic Tree House; 43 | Second Grade, |
| Leprechauns and Irish Folklore | Osborne, Mary Pope | Magic Tree House Research Guides (Nonfiction Companion to Leprechaun in Late Winter) | Second Grade, |
| Les Miserables | Hugo, Victor | | Secondary, |
| Less Than Zero | Murphy, Stuart J. | | Third Grade, |
| Lesson for Martin Luther King Jr. | Patrick, Denise Lewis | Childhood of Famous Americans Ready-to-Read | First Grade, |
| Lessons in Science Safety with Max Axiom, Super Scientist | Lemke, Donald B. | Graphic Science | Third Grade, |
| Let It Begin Here! Lexington and Concord, First Battles of the American Revolution | Fradin, Dennis B. | | Fourth Grade, |
| Let Sleeping Dragons Lie | Nix, Garth | Have Sword, Will Travel; 2 | Fourth Grade, |
| Let the Circle Be Unbroken | Taylor, Mildred D. | | Sixth Grade, |
| Let the Games Begin! | Quinn, Jordan | Kingdom of Wrenly; 7 | Second Grade, |
| Let’s Fly a Kite | Murphy, Stuart J. | | Second Grade, |
| Letter to Amy | Keats, Ezra Jack | | First Grade, |
| Letters from Rifka | Hesse, Karen | | Fifth Grade, |
| Letters from the Mountain | Garland, Sherry | | Secondary, |
| Letting Swift River Go | Yolen, Jane | | Second Grade, |
| Lety Out Loud | Cervantes, Angela | Wish | Fifth Grade, |
| Leven Thumps and the Eyes of the Want | Skye, Obert | Leven Thumps; 3 | Secondary, |
| Leven Thumps and the Gateway to Foo | Skye, Obert | Leven Thumps; 1 | Secondary, |
| Leven Thumps and the Ruins of Alder | Skye, Obert | Leven Thumps; 5 | Secondary, |
| Leven Thumps and the Whispered Secret | Skye, Obert | Leven Thumps; 2 | Secondary, |
| Leven Thumps and the Wrath of Ezra | Skye, Obert | Leven Thumps; 4 | Secondary, |
| Leviathan | Westerfield, Scott | Leviathan Trilogy; 1 | Secondary, |
| Lewis and Clark | Sullivan, George | In Their Own Words | Fifth Grade, |
| Lewis and Clark: A Prairie Dog for the President | Redmond, Shirley-Raye | | First Grade, |
| Lexie the Word Wrangler | Van Slyke, Rebecca | | Second Grade, |
| Li Lun, Lad of Courage | Treffinger, Carolyn | | Fourth Grade, |
| Liang and the Magic Paintbrush | Demi, | | Second Grade, |
| Libby of High Hopes | Primavera, Elise | Libby of High Hopes; 1 | Third Grade, |
| Libby of High Hopes : Project Blue Ribbon | Primavera, Elise | Libby of High Hopes; 2 | Third Grade, |
| Liberty | Larson, Kirby | Dogs of World War II | Fourth Grade, |
| Library of Ever, The | Alexander, Zeno | Library of Ever; 1 | Fifth Grade, |
| Library, The | Stewart, Sarah | | Second Grade, |
| Life and Death of King Richard II, The | Shakespeare, William | | Secondary, |
| Life and Death of King Richard III, The | Shakespeare, William | | Secondary, |
| Life in a Coral Reef | Pfeffer, Wendy | Let's-Read-and-Find-Out Science; Stage 2 | Second Grade, |
| Life in Ancient Rome | Adams, Richard | Kingfisher Knowledge | Secondary, |
| Life in the Middle Ages: The City | Hinds, Kathryn | | Fourth Grade, |
| Life Strategies for Teens | McGraw, Jay | | Secondary, |
| Lifetime: The Amazing Numbers in Animal Lives | Schaefer, Lola | | Kindergarten, |
| Light in Hidden Places, The | Cameron, Sharon | | Secondary, |
| Light in the Attic, A | Silverstein, Shel | | Fourth Grade, |
| Light in the Forest, The | Richter, Conrad | | Secondary, |
| Light in the Storm, A | Hesse, Karen | Dear America | Fifth Grade, |
| Light is all Around Us | Pfeffer, Wendy | Let's-Read-and-Find-Out Science; Stage 2 | Second Grade, |
| Lighthouse between the Worlds, The | Crowder, Melanie | Lighthouse Keepers; 1 | Sixth Grade, |
| Lighthouse Mystery, The | Warner, Gertrude Chandler | Boxcar Children, The (originals); 8 | Third Grade, |
| Lightning Thief, The | Riordan, Rick | Percy Jackson and the Olympians; 1 | Secondary, |
| Lights, Camera, Cook! | Harper, Charise Mericle | Next Best Junior Chef; 1 | Fourth Grade, |
| Lights! Camera! Alice!: The Thrilling True Adventures of the First Woman Filmmaker | Rockliff, Mara | | Third Grade, |
| Like Magic | Vickers, Elaine | | Sixth Grade, |
| Lilly’s Purple Plastic Purse | Henkes, Kevin | | Second Grade, |
| Limit, The | Landon, Kristen | | Secondary, |
| Lincoln: A Photobiography | Freedman, Russell | | Fifth Grade, |
| Lincoln’s Grave Robbers | Sheinkin, Steve | | Secondary, |
| Lincoln’s Last Days | O Reilly, Bill | | Secondary, |
| Lincoln’s Spymaster: Allan Pinkerton, America’s First Private Eye | Seiple, Samantha | | Secondary, |
| Lion and the Mouse, The | Herman, Gail | | Kindergarten, |
| Lion Inside, The | JP Bright | | Kindergarten, |
| Lion Is a Lion, A | Dunbar, Polly | | Kindergarten, |
| Lion Lessons | Agee, Jon | | Kindergarten, |
| Lion Rescue: All About Lions and How to Save Them | Blewett, Ashlee Brown | National Geographic Kids Mission | Sixth Grade, |
| Lion vs Rabbit | Latimer, Alex | | Kindergarten, |
| Lion, Witch and the Wardrobe, The | Lewis, C.S. | Chronicles of Narnia; 2 | Fifth Grade, |
| Lionboy | Corder, Zizou | Lionboy Trilogy; 1 | Fifth Grade, |
