| Murder on the Orient Express | Christie, Agatha | | Secondary, |
| Music of Dolphins, The | Hesse, Karen | | Third Grade, |
| Music of Life, The: Bartolomeo Cristofori & the Invention of the Piano | Rusch, Elizabeth | | Third Grade, |
| Musician’s Daughter, The | Dunlap, Julie | | Secondary, |
| Mustaches for Maddie | Morris, Chad & Brown, Shelly | | Fifth Grade, |
| Mutiny in Time, A | Dashner, James | Infinity Ring; 1 | Fourth Grade, |
| My Antonia | Cather, Willa | | Secondary, |
| My Bondage and My Freedom | Douglass, Frederick | | Secondary, |
| My Brother Sam is Dead | Collier, James Lincoln | | Sixth Grade, |
| My Brother’s Keeper | Osborne, Mary Pope | Dear America | Fifth Grade, |
| My Father’s Dragon | Gannett, Ruth Stiles | My Father's Dragon; 1 | Third Grade, |
| My Father’s Words | MacLachlan, Patricia | | Fourth Grade, |
| My First Book of Baseball | Bugler, Beth | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Book of Basketball | Bugler, Beth | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Book of Football | Bugler, Beth | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Book of Hockey | Bechtel, Mark | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Book of Lacrosse | Bugler, Beth | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Book of Soccer | Bugler, Beth | Sports Illustrated Kids Rookie Books | Second Grade, |
| My First Day | Jenkins, Steve | | Kindergarten, |
| My Five Senses | Aliki, | | Kindergarten, |
| My Five Senses | Miller, Margaret | | Kindergarten, |
| My Friend Rabbit | Rohmann, Eric | | Kindergarten, |
| My Little Book of Animals | De La Bedoyere, Camilla | My Little Book of . . . . | First Grade, |
| My Little Book of Big Trucks | Head, Honor | My Little Book of . . . | First Grade, |
| My Little Book of Dinosaurs | Dixon, Dougal | My Little Book of . . . | First Grade, |
| My Little Book of Emergency Vehicles | Martin, Claudia | My Little Book of . . . . | First Grade, |
| My Little Book of Life Cycles | De La Bedoyere, Camilla | My Little Book of . . . . | First Grade, |
| My Little Book of Ocean Life | De La Bedoyere, Camilla | My Little Book of . . . | First Grade, |
| My Little Book of Volcanoes and Earthquakes | Martin, Claudia | My Little Book of . . . . | First Grade, |
| My Lucky Day | Kasza, Keiko | | Kindergarten, |
| My Many Colored Days | Seuss, Dr. | | Kindergarten, |
| My Mouth Is a Volcano! | Cook, Julia | | Kindergarten, |
| My Name is Victoria | Worsley, Lucy | | Secondary, |
| My New School | Hall, Kirsten | My First Reader | Kindergarten, |
| My Pet Human | Surovec, Yasmine | | Second Grade, |
| My Pillow Keeps Moving | Gehl, Laura | | Kindergarten, |
| My Side of the Mountain | George, Jean Craighead | My Side of the Mountain; 1 | Fifth Grade, |
| My Uncle Martin’s Words for America | Watkins, PhD, Angela Farris | | Second Grade, |
| My, Oh My—A Butterfly | Rabe, Tish | Cat in the Hat Learning Library, The | First Grade, |
| Mysterious Benedict Society and the Perilous Journey, The | Stewart, Trenton Lee | Mysterious Benedict Society, The; 2 | Secondary, |
| Mysterious Benedict Society and the Prisoner’s Dilemma, The | Stewart, Trenton Lee | Mysterious Benedict Society, The; 3 | Secondary, |
| Mysterious Benedict Society and the Riddle of Ages, The | Stewart, Trenton Lee | Mysterious Benedict Society, The; 4 | Secondary, |
| Mysterious Benedict Society, The | Stewart, Trenton Lee | Mysterious Benedict Society, The; 1 | Secondary, |
| Mysterious Caravan, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mysterious Mannequin, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery at Chilkoot Pass #17 | Steiner, Barbara | American Girl History Mysteries | Fourth Grade, |
| Mystery at Devil’s Paw | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery At Lilac Inn, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery at the Ski Jump | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery Behind the Wall | Warner, Gertrude Chandler | Boxcar Children, The (originals); 17 | Third Grade, |
| Mystery in the Sand | Warner, Gertrude Chandler | Boxcar Children, The (originals); 16 | Third Grade, |
| Mystery of Cabin Island, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of Crocodile Island | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the 99 Steps, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Aztec Warrior, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of the Brass Bound Trunk, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Chinese Junk, the | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of the Cupboard, The | Banks, Lynne Reid | Indian in the Cupboard; 4 | Sixth Grade, |
| Mystery of the Desert Giant | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of the Fire Dragon, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Flying Express | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of the Glowing Eye | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Ivory Charm | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Moss-Covered Mansion | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Spiral Bridge, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery of the Stolen Bike #8, The | Brown, Krensky & | Arthur Chapter Book | Third Grade, |
| Mystery of the Tolling Bell | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Mystery of the Whale Tattoo | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Mystery Ranch | Warner, Gertrude Chandler | Boxcar Children, The (originals); 4 | Third Grade, |
| Naked Mole Rat Letters, The | Amato, Mary | | Sixth Grade, |
| Name Jar, The | Choi, Yangsook | | Second Grade, |
| Nancy’s Mysterious Letter | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Nanette’s Baguette | Willems, Mo | | Kindergarten, |
| Napping House, The | Wood, Audrey | | Kindergarten, |
| Narrative of the Life of Frederick Douglass, and American Slave | Douglass, Frederick | | Secondary, |
| Narwhal on a Sunny Night | Osborne, Mary Pope | Magic Tree House Original; 33 | Second Grade, |
| Narwhals and Other Whales | Osborne, Mary Pope | Magic Tree House Research Guides (Nonfiction Companion to Narwhal on a Sunny Night) | Second Grade, |
| Nate the Great | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and Me: The Case of the Fleeing Fang | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Big Sniff | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Boring Beach Ball | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Crunchy Christmas | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Fishy Prize | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Halloween Hunt | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Hungry Book Club | Sharmat, Marjorie Weinman | Nate the Great | First Grade, |
| Nate the Great and the Lost List | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Missing Birthday Snake | Sharmat, Andrew | Nate the Great | First Grade, |
| Nate the Great and the Missing Key | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Monster Mess | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Mushy Valentine | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Musical Note | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Phony clue | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Pillowcase | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Snowy Trail | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Sticky Case | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Stolen Base | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great and the Tardy Tortoise | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great Goes Down in the Dump | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great Goes Undercover | Sharmat, Marjorie | Nate the Great | First Grade, |
| Nate the Great on the Owl Express | Sharmat, Marjorie | Nate the Great | First Grade, |