- Kadohata, Cynthia
Cracker!, Weedflower
- Karon, Jan
To Be Where You Are, Somewhere Safe with Somebody Good
- Kasza, Keiko
Badger's Fancy Meal
- Katcher, Brian
Almost Perfect
- Kate, Lauren
Fallen in Love, Torment
- Kaufman, Amie
Illuminae, Unearthed
- Keating, Charles
Kit's Wilderness, Death in Holy Orders
- Keats, Ezra Jack
Whistle for Willie, The Snowy Day
- Keene, Carolyn
Nancy Drew #6: The Secret of Red Gate Farm, Nancy Drew #2: The Hidden Staircase
- Keller, Tae
The Science of Breakable Things, The Science of Breakable Things
- Kelley, True
Who Was Roald Dahl?, Who is Dolly Parton?
- Kelly, David A.
MVP #2: The Soccer Surprise, Ballpark Mysteries Collection: Books 6-10
- Kelly, Katy
Lucy Rose: Here's the Thing About Me, Lucy Rose: Big on Plans
- Kelly, Scott
Endurance, Endurance, Young Readers Edition
- Kessler, Liz
The Tail of Emily Windsnap, Emily Windsnap and the Castle in the Mist
- Khan, Khizr
An American Family, This Is Our Constitution
- Khorram, Adib
Darius the Great Is Not Okay, Darius the Great Is Not Okay
- Kidd, Ronald
Monkey Town
- Kidder, Tracy
Mountains Beyond Mountains (Adapted for Young People), A Truck Full of Money
- Kiely, Brendan
Tradition, Tradition
- Killeen, Matt
Orphan Monster Spy, Orphan Monster Spy
- Kimmel, Elizabeth Cody
Lily B. on the Brink of Cool, Balto and the Great Race (Totally True Adventures)
- King, A.S.
Still Life With Tornado, Please Ignore Vera Dietz
- King, Amy Sarig
Me and Marvin Gardens, Me and Marvin Gardens
- Kinney, Patrick
Who Is Jeff Kinney?
- Kinsella, Sophie
Fairy Mom and Me, The Undomestic Goddess
- Kipling, Rudyard
Just So Stories, Just So Stories
- Kirk, Daniel
Moondogs
- Kittredge, Caitlin
The Nightmare Garden: The Iron Codex Book Two, The Iron Thorn The Iron Codex Book One
- Kizer, Amber
A Matter of Days
- Klages, Ellen
Out of Left Field, Out of Left Field
- Kletter, Kerry
The First Time She Drowned, The First Time She Drowned
- Kline, Suzy
Horrible Harry Bugs the Three Bears, Horrible Harry and the Triple Revenge
- Klise, Kate
Three-Ring Rascals, Books 1-2, Three-Ring Rascals, Books 3-4
- Kluger, Jeffrey
To the Moon!, To the Moon!
- Koertge, Ron
Stoner & Spaz
- Kogge, Michael
Star Wars: The Last Jedi Junior Novel
- Konigsburg, E. L.
The Outcasts of 19 Schuyler Place, Jennifer, Hecate, Macbeth, William Mckinley, and Me, Elizabeth
- Korman, Gordon
Son of the Mob
- Kornher-Stace, Nicole
Archivist Wasp, Archivist Wasp
- Kotzwinkle, William
Walter the Farting Dog Goes on a Cruise, Rough Weather Ahead for Walter the Farting Dog
- Kraus, Daniel
Scowler, Rotters
- Kravetz, Stacy
It's Your Universe
- Kress, Adrienne
The Explorers: The Door in the Alley, The Explorers: The Reckless Rescue
- Krieg, Jim
Griff Carver, Hallway Patrol
- Kristoff, Jay
Obsidio, LIFEL1K3 (Lifelike)
- Krulik, Nancy
Katie Kazoo, Switcheroo: Books 15 & 16, Katie Kazoo: Books 7 and 8
- Krull, Kathleen
Frenemies in the Family, Frenemies in the Family
- Krys, Michelle
Charmed, Hexed
- Kuehn, Stephanie
The Smaller Evil, When I Am Through with You
- Kujawinski, Peter
Edgeland, Nightfall