| Ma, Coco | Shadow Frost (DNF) |
| Ma, Jillian | In My World |
| MacKay, Elly | Red Sky at Night |
| Macnamara, Katie | Rosie the Tarantula |
| Madden, Colleen | The Kiddie Table |
| Maginnis, Elizabeth | There’s a Dog on the Dining Room Table |
| Mahmouidi, Halim | Little Mama |
| Mahut, Sandra | Unicorn Food |
| Mak, Ton | A Turtle’s Guide to Introversion |
| Manning, Matthew K. | Xander and the Rainbow-Barfing Unicorns #1: Magic Smells Awful |
| Xander and the Rainbow-Barfing Unicorns #2: The Search for Stalor |
| Xander and the Rainbow-Barfing Unicorns #3: Revenge of the One-Trick Pony |
| Xander and the Rainbow-Barfing Unicorns #4: Return to Pegasia |
| Xander and the Rainbow-Barfing Unicorns #5: Fairies Hate Ponies |
| Xander and the Rainbow-Barfing Unicorns #6: Who Turned Off the Colours? |
| Manolessou, Katherina | Look for Ladybug in Plant City |
| Manuro | Hocus & Pocus #1: The Legend of Grimm’s Woods |
| Marcos, Victoria | My Favourite Animal: Dogs |
| Marrs, John | The Good Samaritan |
| The Minders |
| The One |
| The Passengers |
| What Lies Between Us |
| Marsden, Mariah | Anne of Green Gables: A Graphic Novel |
| The Secret Garden: A Graphic Novel |
| Marshall, Kate Alice | Rules for Vanishing |
| Martin, Ann M. | The Baby-Sitters Club #1: Kristy’s Great Idea |
| The Baby-Sitters Club #2: Claudia and the Phantom Phone Calls |
| The Baby-Sitters Club #3: The Truth About Stacey |
| The Baby-Sitters Club #4: Mary Anne Saves the Day |
| The Baby-Sitters Club #5: Dawn and the Impossible Three |
| The Baby-Sitters Club #6: Kristy’s Big Day |
| Martin, John & Seegert, Scott | Sci-Fi Junior High |
| Martin, Lee | Amazing World: Sea Creatures |
| Mason, Paul | The International Yeti Collective |
| The International Yeti Collective #2: Shadowspring |
| Massey, Lorraine & Bender, Michele | Silver Hair |
| Matthy, Todd | Robots vs. Princesses Volume 1 |
| McAllister, Matt | Ghostbusters: The Inside Story |
| McCafferty, Megan | The Mall |
| McCombie, Karen | How To Be a Human |
| The Lost Diary of Sami Star |
| McDonald, Megan | Judy Moody #1: Judy Moody Was in a Mood |
| Judy Moody #15: Judy Moody, Super Book Whiz |
| Stink #11: Hamlet and Cheese |
| Stink #12: Stink and the Hairy, Scary Spider |
| McDonnell, C.K. | The Stranger Times |
| McGough, Donna | Shark Island |
| McGuire, Seanan | Dusk or Dark or Dawn or Day |
| Wayward Children #3: Beneath the Sugar Sky |
| Wayward Children #4: In An Absent Dream |
| Wayward Children #5: Come Tumbling Down |
| Wayward Children #6: Across the Green Grass Fields |
| McKissen, Dustin | The Poor and the Haunted |
| McLaughlin, Kate | What Unbreakable Looks Like |
| McMillan, Shirley-Anne | Every Sparrow Falling |
| McMurchy-Barber, Gina | The Jigsaw Puzzle King |
| McShane, Melissa | The Last Oracle #1: The Book of Secrets |
| Mealey, Cathy Ballou | Sloth and Squirrel in a Pickle |
| Meats, Jessica | The Adventures of Technicality Man |
| Mehler Paperny, Anna | Hello I Want to Die Please Fix Me |
| Melling, David | Merry Christmas, Hugless Douglas |
| Mendoza, Dan | Dollface Volume 2 |
| Miles, David | Book |
| Unicorn (and Horse) |
| Millard, Glenda | Pea Pod Lullaby |
| Miller, Chanel | Know My Name |
| Miller, Lauren | All Things New |
| Miller, T. Christian & Armstrong, Ken | Unbelievable |
| Milligan, Louise | Witness |
| Minor, Wendell | Pumpkin Heads! |
| Mlynowski, Sarah, Myracle, Lauren & Jenkins, Emily | Upside-Down Magic #1: Upside-Down Magic |
| Upside-Down Magic #2: Sticks & Stones |
| Upside-Down Magic #3: Showing Off |
| Upside-Down Magic #4: Dragon Overnight |
| Upside-Down Magic #5: Weather or Not |
| Monteleone, Thomas F. | Borderlands Volume One (DNF) |
| Montgomery, L.M. | Manga Classics: Anne of Green Gables |
| Montroll, John | Dogs in Origami |
| Moore, Kate | The Woman They Could Not Silence |
| Moreland, Brian | Tomb of Gods |
| Morgenstern, Dexter | Eternal Victim |
| Morrison, Cathy | Say Something |
| Morrissey, Bridget | When the Light Went Out |
| Morse, Eric | Friday the 13th, Camp Crystal Lake #1: Mother’s Day |
| Friday the 13th, Camp Crystal Lake #2: Jason’s Curse |
| Friday the 13th, Camp Crystal Lake #3: The Carnival |
| Friday the 13th, Camp Crystal Lake #4: Road Trip |
| Friday the 13th, Camp Crystal Lake #5: The Mask of Jason Voorhees |
| Mourtada, Racha | 55 Slightly Sinister Stories |
| Mozes Kor, Eva & Rojany Buccieri, Lisa | The Twins of Auschwitz |
| Muell, Jason | Disney Manga: Descendants – The Rotten to the Core |
| Murata, Sayaka | Convenience Store Woman |
| Murphy, Cerece Rennie & Abbott, Alana Joli | Where the Veil is Thin |
Schizanthus Nerd 