- Kadohata, Cynthia
Cracker!, Weedflower
- Kahn, Howie
Sneakers
- Karon, Jan
To Be Where You Are, Come Rain or Come Shine
- Kasza, Keiko
Badger's Fancy Meal
- Katcher, Brian
Almost Perfect
- Kate, Lauren
Fallen, Unforgiven
- Kaufman, Amie
Obsidio, Illuminae
- Keating, Charles
The Murder Room, The Valley of Secrets
- Keats, Ezra Jack
The Snowy Day, Whistle for Willie
- Keene, Carolyn
Nancy Drew #2: The Hidden Staircase, Nancy Drew #7: The Clue in the Diary
- Keller, Tae
The Science of Breakable Things, The Science of Breakable Things
- Kelley, True
Who is Dolly Parton?, Who Was Pablo Picasso?
- Kelly, David A.
MVP #1: The Gold Medal Mess, MVP #2: The Soccer Surprise
- Kelly, Katy
Lucy Rose: Big on Plans, Lucy Rose: Here's the Thing About Me
- Kessler, Liz
Emily Windsnap and the Monster from the Deep, Emily Windsnap and the Siren's Secret
- Khan, Khizr
This Is Our Constitution, This Is Our Constitution
- Kidd, Ronald
Monkey Town
- Kidder, Tracy
A Truck Full of Money, Mountains Beyond Mountains
- Killeen, Matt
Orphan, Monster, Spy, Orphan, Monster, Spy
- Kimmel, Elizabeth Cody
Suddenly Supernatural Books 1 and 2, Lily B. on the Brink of Cool
- King, A.S.
Ask the Passengers, Everybody Sees the Ants
- Kinney, Patrick
Who Is Jeff Kinney?
- Kinsella, Sophie
Shopaholic to the Rescue, Wedding Night
- 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
- Kletter, Kerry
The First Time She Drowned, The First Time She Drowned
- Kline, Suzy
What's the Matter with Herbie Jones?, Horrible Harry in Room 2B
- 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
- Konigsburg, E. L.
Silent to the Bone, Jennifer, Hecate, Macbeth, William Mckinley, and Me, Elizabeth
- Korman, Gordon
Son of the Mob
- Kornher-Stace, Nicole
Archivist Wasp, Archivist Wasp
- Kotzwinkle, William
Rough Weather Ahead for Walter the Farting Dog, Walter the Farting Dog Goes on a Cruise
- Kraus, Daniel
Rotters, Rotters
- Kress, Adrienne
The Explorers: The Reckless Rescue, The Explorers: The Door in the Alley
- Krieg, Jim
Griff Carver, Hallway Patrol
- Kristoff, Jay
Gemina, Illuminae
- Krulik, Nancy
Katie Kazoo, Switcheroo: Books 19 & 20, Katie Kazoo, Switcheroo: Books 15 & 16
- Krull, Kathleen
Frenemies in the Family, Frenemies in the Family
- Krys, Michelle
Hexed, Charmed
- Kuehn, Stephanie
The Smaller Evil, The Smaller Evil
- Kujawinski, Peter
Nightfall, Nightfall