| Lions | Marsh , Laura | National Geographic Readers: Level 1 | First Grade, |
| Lions | Koster, Amy Sky | National Geographic Kids: Explore My World | Kindergarten, |
| Lions at Lunchtime | Osborne, Mary Pope | Magic Tree House; 11 | Second Grade, |
| Listen to the Moon | Morpurgo, Michael | | Secondary, |
| Listen Up!: Alexander Graham Bell’s Talking Machine | Kulling, Monica | | Third Grade, |
| Little Bear | Minarik, Elise | Little Bear | First Grade, |
| Little Bear’s Visit | Minarik, Elise | Little Bear | First Grade, |
| Little Britches: Father and I were Ranchers | Moody, Ralph | | Secondary, |
| Little Chicken, A | Sauer, Tammi | | Kindergarten, |
| Little Doctor and the Fearless Beast | Gilmore, Sophie | | Second Grade, |
| Little Dog Lost: The True Story of a Brave Dog Named Baltic | Carnesi, Mônica | | Kindergarten, |
| Little Engine that Could, The | any author, | | Kindergarten, |
| Little Excavator | Dewdney, Anna | | Kindergarten, |
| Little House in the Big Woods | Wilder, Laura Ingalls | Little House; 1 | Fourth Grade, |
| Little House on the Prairie | Wilder, Laura Ingalls | Little House; 2 | Fourth Grade, |
| Little House, The | Burton, Virginia Lee | | Second Grade, |
| Little Kids First Big Book of Science | Zoehfeld, Kathleen Weidner | National Geographic Little Kids First Big Books | Third Grade, |
| Little Kids First Big Book of Who | Esbaum, Jill | National Geographic Little Kids First Big Books | Third Grade, |
| Little Larry Goes to School | Ellis, Gerry | National Geographic Kids | Second Grade, |
| Little Match Girl, The | Anderson, Hans Christian | | Third Grade, |
| Little Mouse, the Red Ripe Strawberry, & Big Hungry, The | Wood, Don & Audrey | | First Grade, |
| Little Prince, The | Saint-Exupery, Antione de | | Sixth Grade, |
| Little Princess, A | Burnett, Francis Hodgson | | Fifth Grade, |
| Little Red and the Very Hungry Lion | Smith, Alex T. | | Kindergarten, |
| Little Red Gliding Hood | Lazar, Tara | | Kindergarten, |
| Little Red Hen, The | any author, | | Kindergarten, |
| Little Red Riding Hood | any author, | | Kindergarten, |
| Little Roja Riding Hood | Elya, Susan Middleton | | Kindergarten, |
| Little Snowplow, The | Koehler, Lora | | Kindergarten, |
| Little Town on the Prairie | Wilder, Laura Ingalls | Little House; 7 | Fourth Grade, |
| Little Witch Goes to School | Hautzig, Deborah | Little Witch | First Grade, |
| Little Witch Learns to Read | Hautzig, Deborah | Little Witch | First Grade, |
| Little Witch’s Big Night | Hautzig, Deborah | Little Witch | First Grade, |
| Little Women | Alcott, Louisa May | | Secondary, |
| Littles, The | Peterson, John | Littles, The | Second Grade, |
| Lives of the Scientists | Krull, Kathleen | Lives and Times Of... | Fourth Grade, |
| Living Color | Jenkins, Steve | | Third Grade, |
| Living With Wolves!: True Stories of Adventures With Animals | Dutcher, Jim | National Geographic Kids Chapters | Fourth Grade, |
| Lizard Music | Pinkwater, Daniel M | | Secondary, |
| Lizards | Bishop, Nic | | Third Grade, |
| Loamhedge | Jacques, Brian | Redwall; 16 | Sixth Grade, |
| Locked in the Library #6 | Brown, Krensky & | Arthur Chapter Book | Third Grade, |
| Locomotive | Floca, Brian | | Third Grade, |
| Lon Po Po: A Red-Riding Hood Story | Young, Ed | | Third Grade, |
| Long Patrol, The | Jacques, Brian | Redwall; 10 | Sixth Grade, |
| Long Walk to Water, A | Park, Linda Sue | | Secondary, |
| Long Walk, The | Rawicz, Slavomir | | Secondary, |
| Long Way from Chicago, A | Peck, Richard | LIving in Chicago; 1 | Fifth Grade, |
| Long Way Home, The | Klaven, Andrew | Homelanders; 2 | Secondary, |
| Long Way to a New Land, The | Sandin, Joan | | Second Grade, |
| Long Way Westward, The | Sandin, Joan | A Long Way to a New Land; Sequel | Second Grade, |
| Long Winter, The | Wilder, Laura Ingalls | Little House; 6 | Fourth Grade, |
| Look at Me!: How to Attract Attention in the Animal World | Jenkins, Steve | | Third Grade, |
| Look Up!: Henrietta Leavitt, Pioneering Woman Astronomer | Burleigh, Robert | | Third Grade, |
| Looking For Winston | Green, Poppy | Adventures of Sophie Mouse; 4 | Second Grade, |
| Looking Glass Wars, The | Beddor, Frank | Looking Glass Wars Trilogy; 1 | Secondary, |
| Looking Up!: The Science of Stargazing | Rao, Joe | Science of Fun Stuff | Third Grade, |
| Lorax, The | Seuss, Dr. | | Second Grade, |
| Lord Brocktree | Jacques, Brian | Redwall; 13 | Sixth Grade, |
| Lord of the Flies* | Golding, William | | Secondary, |
| Lord of the Nutcracker Men | Lawrence, Lain | | Secondary, |
| Lorna Doone | Blackmore, Richard D. | | Secondary, |
| Loser | Spinelli, Jerry | | Sixth Grade, |
| Loser’s Club, The | Clements, Andrew | | Fifth Grade, |
| Lost and Found Cat: The True Story of Kunkush’s Incredible Journey | Kuntz, Doug | | Second Grade, |
| Lost and Found: Adèle & Simon in China | McClintock, Barbara | | Second Grade, |
| Lost City of Faar, The | MacHale, D.J. | Pendragon; 2 | Secondary, |
| Lost Compass, The | Ross, Joel N. | Fog Diver; 2 | Sixth Grade, |
| Lost Hero, The | Riordan, Rick | Heroes of Olympus; 1 | Secondary, |
| Lost in a Book | Donnelly, Jennifer | Beauty and the Beast | Sixth Grade, |
| Lost in Babylon | Lerangis, Peter | Seven Wonders; 2 | Secondary, |
| Lost in Outer Space: The Incredible Journey of Apollo 13 | Olson, Tod | Lost: 2 | Secondary, |
| Lost in the Jungle | Nye, Bill | Jack and the Geniuses; 3 | Sixth Grade, |
| Lost in the Pacific, 1942: Not a Drop to Drink | Olson, Tod | Lost: 1 | Secondary, |
| Lost in the River of Grass | Rorby, Ginny | | Secondary, |
| Lost Kingdom of Bamarre, The | Levine, Gail Carson | | Secondary, |
| Lost Locket | Keene, Carolyn | Nancy Drew Notebooks | Second Grade, |
| Lost Prince, The | Myklusch, Matt | Seaborne; 1 | Sixth Grade, |
| Lost Princess of Oz | Baum, L. Frank | Wizard of Oz; 11 | Fifth Grade, |
| Lost Property Office, The | Hannibal, James R. | Section 13; 1 | Sixth Grade, |
| Lost Realm, The | Rinehart , J. D. | Crown of Three; 2 | Sixth Grade, |
| Lost Stone, The | Quinn, Jordan | Kingdom of Wrenly; 1 | Second Grade, |
| Lost Twin, The | Cleverly, Sophie | Scarlet and Ivy | Secondary, |
| Lost Years of Merlin, The | Barron, T.A. | Lost Years of Merlin; 1 | Secondary, |
| Lost! | Johnson, Terry Lynn | Survivor Diaries | Fourth Grade, |
| Lotus Seed, The | Garland, Sherry | | Third Grade, |
| Lou Gehrig: One of Baseball’s Greatest | Van Riper, Guernsey | Childhood of Famous Americans | Third Grade, |
| Loud Winter’s Nap, A | Hudson, Katy | | Kindergarten, |
| Louie’s Search | Keats, Ezra Jack | | First Grade, |
| Louisa May Alcott | Burke, Kathleen. | American Women of Achievement | Secondary, |
| Louisa May Alcott: Young Novelist | Gormley, Beatrice | Childhood of Famous Americans | Third Grade, |
| Louise Nevelson | Cain, Michael | American Women of Achievement | Secondary, |
| Love from Paddington | Bond, Michael | Paddington | Third Grade, |
| Love, Ruby Lavender | Wiles, Debbie | | Fourth Grade, |
| Love, Splat | Scotton, Rob | Splat the Cat (Original) | Kindergarten, |
| Love, Stargirl | Spinelli, Jerry | Stargirl; 2 | Sixth Grade, |
| Love’s Labour’s Lost | Shakespeare, William | | Secondary, |
| Lovely Beasts: The Surprising Truth | Gardner, Kate | | Second Grade, |
| Lucinda’s Secret, The | DiTerlizzi, Tony | Spiderwick Chronicles; 3 | Fifth Grade, |
| Luckiest Snowball, The | Kreloff, Elliot | | Kindergarten, |