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The Haunted Library book cover 1
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The Haunted Library
Series · 10 books · 2014-2017

Books in series

The Haunted Library book cover
#1

The Haunted Library

2014

A brand-new young chapter book series from Edgar Award winner Dori Hillestad Butler! When ghost boy Kaz’s haunt is torn down and he is separated from his ghost family, he meets a real girl named Claire, who lives above the town library with her parents and her grandmother. Claire has a special ability to see ghosts when other humans cannot and she and Kaz quickly form a friendship. The two join forces to solve the mystery of the ghost that’s haunting the library. Could it be one of Kaz’s lost family members?
The Ghost in the Attic book cover
#2

The Ghost in the Attic

2014

After successfully solving the mystery of the ghost in the library, Kaz and Claire land the first case for their detective agency—a haunted attic in a neighbor's home! With a little help from Grannie, Kaz and Claire discover that what appeared to be something spooky has a much simpler explanation.
The Ghost Backstage book cover
#3

The Ghost Backstage

2014

Kaz and Claire’s new detective agency is a success! Their latest case, though, is proving to be the hardest yet. When Claire’s classmate says he saw a ghost backstage while rehearsing the school play, Kaz goes to school with Claire to investigate. From the description the boy gave, Kaz is sure it’s his mom—but where has she gone? Kaz and Claire search everywhere and find no trace of her, but the mysterious ghostly activities are still happening…
The Five O'Clock Ghost book cover
#4

The Five O'Clock Ghost

2015

Kaz and Claire are called in for another ghostly mystery, and this ghost is always right on time. When Claire's friend tells the young detectives about his five o'clock ghost, Kaz wonders if it could be his own missing brother, Little John. Kaz and Claire search the house up and down, but they can't find any trace of Little John—or any other ghost. Yet when five o'clock comes along, the strange occurrences come back again...
The Secret Room book cover
#5

The Secret Room

2015

Now that Kaz can finally pass through walls without feeling all “skizzy,” he can go explore Beckett’s secret room at the back of the library. What he finds there is a mystery he never expected!
The Ghost at the Fire Station book cover
#6

The Ghost at the Fire Station

2015

With a lot of searching and a lot of luck, Kaz has found his dog Cosmo, his little brother Little John, his grandmom, and his grandpops. But what about his parents? Or his big brother Finn? Will he ever see them again? Kaz wants to keep looking for his family, but when Claire hears about a ghost at the fire station, Kaz knows it’s a case for C & K Ghost Detectives!
The Ghost in the Tree House book cover
#7

The Ghost in the Tree House

2016

A group of girls in Claire’s town have noticed strange sights and sounds coming from the tree house where their club meets. Is it a rival boys’ club trying to scare them away? Or is it a ghost? The girls ask Claire to tackle the mystery—and Kaz hopes to finally find the rest of his missing family members! From the Trade Paperback edition.
The Hide-and-Seek Ghost book cover
#8

The Hide-and-Seek Ghost

2016

Kaz are Claire are called on for another case! A family thinks their house is haunted, making it difficult for them to sell it. Will Kaz and Claire be able to figure out what's going on, and find more of Kaz's family members along the way?
The Ghosts at the Movie Theater book cover
#9

The Ghosts at the Movie Theater

2017

Kaz are Claire are on the case again—this time, they're looking for Kaz's long-lost uncle! Their search takes them to a bakery and a movie theater. Along the way, they meet another kid ghost detective. Will Kaz and Claire be able to figure out what's going on?
The Underground Ghosts book cover
#10

The Underground Ghosts

A Super Special

2017

It's almost Halloween, and Kaz and Claire are off to Seattle to visit Claire's cousins. They explore the local library...and find a ghost living there! The ghost's family has been missing, so Kaz and Claire decide to investigate. When they discover ghostly activity in the city's subterranean passages, they put their detective skills to work. Kaz and Claire are on the case!"

Author

Dori Hillestad Butler
Dori Hillestad Butler
Author · 45 books

Dori Hillestad Butler grew up writing, for she had no brothers or sisters to play with until she was eight years old. The first book she published was The Great Tooth Fairy Rip-Off , it took her many years to sell that book, followed by four more picture books. She then started writing YA books short stories have appeared in anthologies entitled, The Green Umbrella and Other Sports Stories (Highlights for Children, 1995) and Not the Only One (Alyson Publications, 1994) and in magazines including Cricket, Spider, Highlights for Children, Children's Digest, Child Life and a variety of Sunday School publications. Dori also writes educational materials, edit stories for www.storydog.com, and has a regular book review coloumn in her local newspaper. She currently lives in Coralville, Iowa with her husband, two sons, Ben and Andy, a black cocker spaniel named Molly, a cat named Ashley and a betta fish named Willie.

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