- Miss Priss: On and Off the Court
- Miss Spitfire
- Mission Possible
- Mission to the Moon
- Mississippi Bridge
- Mister Max: The Book of Kings
- Mister Max: The Book of Lost Things
- Mistle Child
- Mistletoe and Murder
- Mistério no Museu Imperial
- Mitt liv
- Miután meghaltatok nélkülem
- Miúdas Terríveis - LIvro 3 - Ele é meu!
- Miúdas Terríveis - Livro 4 - A Lista
- Mleko z miodem
- Mob Rule in New Orleans
- Mobs in the Mine
- Moby Clique
- Model
- Modern American Manners
- Mole Was Afraid
- Molly & Pim and the Millions of Stars
- Molly and Corry Boot Up!
- Molly in the Middle
- Molly McGinty Has a Really Good Day
- Molly's Needs
- Momentum
- Mon Amie
- MONARCHY
- MONARCHY
- Money Jane
- Money Matters for Teens
- Money Troubles
- Monitress Merle - A School Story
- Monkey Signs
- Monkey Taming
- Monkeys In My Head
- Monólogos de una Noche de Cuarentena
- Monster High Diaries: Clawdeen Wolf and the Freaky-Fabulous Fashion Show
- Monster High: Monster Rescue: Operation Find Cleo!
- Monster High: Monster Rescue: Track Down Twyla!
- Monster, Human, Other
- Monsters Aren't Real! Are They?
- Monsters in the Mist
- Moon Over Manifest
- Moone Boy
- Moone Boy: The Fish Detective
- Moonlight And Midtown
- Moonlight Mile
- Moonpie and Ivy
- Mops Eisenfaust
- Morada das Lembranças
- More Happy Than Not
- More Than a Crush
- More Than Skin Deep
- More Than You Can Chew
- Mort Ziff Is Not Dead
- Mosquito Advertising: The Blade Brief
- Most Valuable Players
- Mostly Good Girls
- Moth's Pursuit of Beauty
- Mother Nature Reincarnated
- Mother-Daughter Book Camp
- Mountain Runaways
- Mountains Beyond Mountains (Adapted for Young People)
- Mousch the Crooked
- Movie Shoes
- Moving Day
- Mr Woznotiz
- Mr. Butt Wiggles Tames the Bully
- Mr. Hocklenutty's Magic Glasses
- Mr. Terupt Falls Again
- Mr. Touchdown
- Mrs. Poddle and Eric
- Ms. Gloria Steinem
- Ms. Zephyr's Notebook
- Mudhole Mystery (Cul-de-sac Kids Book #10)
- Mudville
- Mundo de cartón
- Murder Is Bad Manners
- Murder Most Unladylike
- Murdered, My Sweet
- Music, Murder and Mayhem: A True Story!
- Must Love Black
- Mustaa lunta