At night, a ghost visits the library to find the answer to a riddle.

The Library Secret Service (hint: not a real organization) explains the rules for the care of library books.

The ghost library is a room full of empty shelves where the ghosts go to listen to stories borrowed from unsuspecting children - until they try to borrow a book from Bo... Bo unable to let her book go travels with the ghosts to the ghost library and there she teaches them that stories exist everywhere, not just in books. This spooky picture book from bestselling author-illustrator David Melling has sold over 300,000 copies and continues to enchant children. 'A humourous tale with friendly ghosts... and images that will inspire your child to take on the role of story-teller.' Junior

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?

A brand-new young chapter book series from Edgar Award winner Dori Hillestad Butler! 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.

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…

Kaz and Claire are back for a timely mystery in this adorable series by Edgar Award winner Dori Hillestad Butler! 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...

Edgar Award Winner Dori Hillestad Butler gives us the tenth—and final!—title in her not-too-scary chapter book mystery series, The Haunted Library, in the form of a super special! 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!

Does an abandoned asylum hold the key to a frightful haunting? Everyone's heard the stories about Graylock Hall.It was meant to be a place of healing - a hospital where children and teenagers with mental disorders would be cared for and perhaps even cured. But something went wrong. Several young patients died under mysterious circumstances. Eventually, the hospital was shut down, the building abandoned and left to rot deep in the woods.As the new kid in town, Neil Cady wants to see Graylock for himself. Especially since rumor has it that the building is haunted. He's got fresh batteries in his flashlight, a camera to document the adventure, and a new best friend watching his back.Neil might think he's prepared for what he'll find in the dark and decrepit asylum. But he's certainly not prepared for what follows him home. . . .Scary, suspenseful, and surprising, Dan Poblocki's latest ghost story will keep you turning pages deep into the dead of night.

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 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?