Haunted Library — by Dori Hillestad Butler

Haunted Library Series in Order: 9 books

  • The Haunted Library

    Book - 1

    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 human...

  • The Ghost in the Attic

    Book - 2

    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 t...

  • The Ghost Backstage

    Book - 3

    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...

  • The Five O'Clock Ghost

    Book - 4

    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 ...

  • The Secret Room

    Book - 5

    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 - 6

    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 h...

  • The Ghost in the Treehouse

    Book - 7

    Here is Edgar Award Winner Dori Hillestad Butler's seventh title in her not-too-scary chapter book mystery series, The Haunted Library. Perfect for reluctant readers in the mood for a great mystery! A group of girls in Claire’s town have noticed...

  • The Hide-And-Seek Ghost

    Book - 8

    Here is the eighth title in Edgar Award Winner Dori Hillestad Butler's not-too-scary chapter book mystery series, The Haunted Library. Kaz are Claire are called on for another case! A family thinks their house is haunted, making it difficult for t...

  • The Ghosts at the Movie Theater

    Book - 9

    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 wha...



Frequently Asked Questions (FAQ)

There are 9 books in the Haunted Library series.

The Haunted Library series does not have a new book coming out soon. The latest book, The Ghosts at the Movie Theater (Book 9), was published in February 2017.

The first book in the Haunted Library series, The Haunted Library, was published in August 2014.

The Haunted Library series primarily falls into the Horror genre. This chapter book series was written for ages 7-10, but some older readers may still like to read these books.
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