| M. M. Kaye |
The Ordinary Princess (age 8-11) princesses , fantasy , folklore |
| David Keane |
The Case of the Haunted Toolshed (age 7-10) in: Joe Sherlock Series humor , mystery |
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The Neighborhood Stink (age 7-10) in: Joe Sherlock Series humor , mystery | |
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The Headless Mummy (age 7-10) in: Joe Sherlock Series humor , mystery | |
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The Art Teacher's Vanishing Masterpiece (age 7-10) in: Joe Sherlock Series humor , mystery | |
| Carolyn Keene |
The Thirteenth Pearl (age 9-12) in: Nancy Drew Series mystery |
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The Sky Phantom (age 9-12) in: Nancy Drew Series mystery | |
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The Secret of the Old Clock (age 9-12) in: Nancy Drew Series mystery | |
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The Secret of the Golden Pavilion (age 9-12) in: Nancy Drew Series mystery | |
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the Secret of Shadow Ranch (age 9-12) in: Nancy Drew Series mystery | |
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The Secret of Red Gate Farm (age 9-12) in: Nancy Drew Series mystery | |
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The Phantom of Pine Hill (age 9-12) in: Nancy Drew Series mystery | |
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Mystery of the Moss-Covered Mansion (age 9-12) in: Nancy Drew Series mystery | |
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The Mystery of the Fire Dragon (age 9-12) in: Nancy Drew Series mystery | |
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Mystery at the Ski Jump (age 9-12) in: Nancy Drew Series mystery | |
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The Mystery at Lilac Inn (age 9-12) in: Nancy Drew Series mystery | |
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The Moonstone Castle Mystery (age 9-12) in: Nancy Drew Series mystery | |
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The Hidden Staircase (age 9-12) in: Nancy Drew Series mystery | |
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The Haunted Showboat (age 9-12) in: Nancy Drew Series mystery | |
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The Haunted Bridge (age 9-12) in: Nancy Drew Series mystery | |
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The Clue of the Whistling Bagpipes (age 9-12) in: Nancy Drew Series mystery | |
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The Clue of the Leaning Chimney (age 9-12) in: Nancy Drew Series mystery | |
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The Clue of the Dancing Puppet (age 9-12) in: Nancy Drew Series mystery | |
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The Clue in the Old Stagecoach (age 9-12) in: Nancy Drew Series mystery | |
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The Bungalow Mystery (age 9-12) in: Nancy Drew Series mystery | |
| Peg Kehret |
The Richest Kids in Town (age 8-11) humor , friendship , enterprise |
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Earthquake Terror (age 9-12) action , family , survival | |
| Harold Keith |
Rifles For Watie (age 10+) war , historical |
| Katy Kelly |
Lucy Rose: Here's the Thing About Me (age 8-11) in: Lucy Rose Series growing up , friendship , family , school , letters/journal |
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Lucy Rose: Big on Plans (age 8-11) in: Lucy Rose Series growing up , friendship , family , school , letters/journal | |
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Lucy Rose: Busy Like You Can't Believe (age 8-11) in: Lucy Rose Series growing up , friendship , family , school , letters/journal | |
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Lucy Rose: Working Myself to Pieces and Bits (age 8-11) in: Lucy Rose Series growing up , friendship , family , school , letters/journal | |
| Liz Kessler |
The Tail of Emily Windsnap (age 8-11) in: The Emily Windsnap Series identity , friendship , family , fantasy |
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Emily Windsnap and the Monster from the Deep (age 8-11) in: The Emily Windsnap Series identity , friendship , family , fantasy | |
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Emily Windsnap and the Castle in the Mist (age 8-11) in: The Emily Windsnap Series identity , friendship , family , fantasy | |
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Emily Windsnap and the Siren's Secret (age 8-11) in: The Emily Windsnap Series identity , friendship , family , fantasy | |
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Philippa Fisher's Fairy Godsister (age 8-11) in: Philippa Fisher Series humor , identity , fantasy | |
| Alexander Key |
Escape to Witch Mountain (age 9-12) spooky , adventure , science fiction |
| Kin |
A Treasury of Spooky Stories (age 8-11) folklore , short stories , spooky |
| Dick King-Smith |
Babe: The Gallant Pig (age 8-11) brilliant protagonist , enterprise , humor |
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Ace: The Very Important Pig (age 8-11) enterprise , humor | |
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The School Mouse (age 7-10) adventure , school | |
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Harry's Mad (age 8-11) adventure , animals | |
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Mysterious Miss Slade (age 8-11) humor , animals , friendship | |
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Harriet's Hare (age 8-11) friendship , science fiction | |
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Martin's Mice (age 8-11) friendship , humor | |
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Pigs Might Fly: a Novel (age 8-11) enterprise , humor , growing up | |
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The Invisible Dog (age 7-10) magic , animals | |
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The Merman (age 8-11) friendship , fantasy | |
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Lady Lollipop (age 8-11) princesses , animals | |
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Pretty Polly (age 7-10) humor , nature | |
| Jeff Kinney |
Diary of a Wimpy Kid: Greg Heffley's Journal (age 9-12) in: Diary of a Wimpy Kid Series letters/journal , growing up , humor , school , friendship |
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Diary of a Wimpy Kid: Rodrick Rules (age 9-12) in: Diary of a Wimpy Kid Series letters/journal , growing up , humor , school , friendship | |
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Diary of a Wimpy Kid: The Last Straw (age 9-12) in: Diary of a Wimpy Kid Series letters/journal , growing up , humor , school , friendship | |
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Diary of a Wimpy Kid: Dog Days (age 9-12) in: Diary of a Wimpy Kid Series letters/journal , growing up , humor , school , friendship | |
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Diary of a Wimpy Kid: The Ugly Truth (age 9-12) in: Diary of a Wimpy Kid Series letters/journal , growing up , humor , school , friendship | |
| Natalie Kinsey-Warnock |
Gifts from the Sea (age 9-12) historical , family , illness/loss |
| Rudyard Kipling |
The Jungle Book: the Mowgli Stories (age 8-11) folklore , animals , short stories |
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The Elephant's Child (age 8-11) animals , folklore | |
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How the Camel Got His Hump (age 8-11) animals , folklore | |
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The Beginning of the Armadillos (age 8-11) folklore , animals | |
| David Kirschner |
The Pagemaster (age 9-12) authorship , fantasy |
| Anna Kirwan |
Victoria, May Blossom of Britannia (age 9-12) in: The Royal Diaries Series princesses , letters/journal , historical |
| Kate Klimo |
The Dragon in the Sock Drawer (age 8-11) in: The Dragon Keepers Series humor , adventure , fantasy |
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The Dragon in the Driveway (age 8-11) in: The Dragon Keepers Series humor , adventure , fantasy | |
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The Dragon in the Library (age 8-11) in: The Dragon Keepers Series humor , adventure , fantasy | |
| Suzy Kline |
What's the Matter With Herbie Jones? (age 7-10) in: Herbie Jones Series realistic , school |
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Horrible Harry and the Green Slime (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Christmas Surprise (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Dragon War (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Drop of Doom (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Dungeon (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Kickball Wedding (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Locked Closet (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry in Room 2B (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry Moves Up to Third Grade (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry's Secret (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry Goes to the Moon (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry Goes to Sea (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Ant Invasion (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Holidaze (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Mud Gremlins (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry and the Purple People (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Horrible Harry at Halloween (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Song Lee and the "I Hate You" Notes (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Song Lee and the Hamster Hunt (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Song Lee and the Leech Man (age 7-10) in: Horrible Harry Series humor , friendship , school | |
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Song Lee in Room 2B (age 7-10) in: Horrible Harry Series humor , friendship , school | |
| Kate Klise |
Trial by (Jury) Journal (age 8-11) humor , mystery , letters/journal |
| Joa MacPhail Knight |
Charlotte in Giverny (age 8-11) in: Charlotte in... Series the arts , letters/journal |
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Charlotte in Paris (age 8-11) in: Charlotte in... Series the arts , letters/journal | |
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Charlotte in New York (age 8-11) in: Charlotte in... Series the arts , letters/journal | |
| E. L. Konigsburg |
The View From Saturday (age 8-11) realistic , identity , friendship , brilliant protagonist |
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From the Mixed-up Files of Mrs. Basil E. Frankweiler (age 9-12) realistic , the arts , mystery , adventure | |
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About the B'nai Bagels (age 9-12) realistic , family , sports , growing up | |
| Gordon Korman |
One False Note (age 9-12) in: The 39 Clues historical , action , adventure , mystery |
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The Emperor's Code (age 9-12) in: The 39 Clues historical , action , adventure , mystery | |
| Amy Goldman Koss |
Kailey (age 8-11) in: American Girl Today Series enterprise , growing up |
| Stephen Krensky |
The Printer's Apprentice (age 10+) authorship , historical |
| Jim Krieg |
Griff Carver, Hallway Patrol (age 9-12) humor , mystery , school |
| Nancy Krulik |
Anyone But Me (age 8-11) in: Katie Kazoo, Switcheroo Series humor , magic |
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Free the Worms! (age 8-11) in: Katie Kazoo, Switcheroo Series humor , magic | |
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Girls Don't Have Cooties (age 8-11) in: Katie Kazoo, Switcheroo Series humor , magic | |
| Allen Kurzwell |
Leon and the Spitting Image (age 8-11) magic , humor , school |