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?

Kaz is an ordinary ghost. The wind separates Kaz from his family and carries him to a library far away, and he is scared he will be lost forever. That is, until he meets Claire--a human who can actually see him!

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!

A haunted school. A suspicious group of adults. And a gang of kids and their dog ready to solve any mystery in this officially licensed Scooby-Doo picture book. When Shaggy and his pup Scooby-Doo sneak into Crystal Cove Elementary School's library after hours, they discover the reason it's been closed—there is a ghost living in it! At least that's what the librarian, Miss James, believes. Now the Mystery Inc. Gang must try to find out who is actually ripping pages out of library books—and they suspect it's not a real ghost. Join Shaggy, Scooby, Velma, Fred, and Daphne in this Mystery Inc. picture book mystery as they check another spooky case off their list.

When strange noises are heard in the tree house where their club meets, Claire and Kaz wonder if a rival club is causing problems in order to scare them away, or if they are coming from the ghosts of one of Kaz's departed ancestors.

A wonderful Halloween adventure with Miss Smith and her students Miss Smith's students know to expect the unexpected when she reads from her magical book. This time, Miss Smith takes her kids to the eerie library down the block and introduces them to the weird librarian, Virginia Creeper. But per usual, storytime is never ordinary when reading from Miss Smith's Incredible Storybook. And what starts out as a run-of-the-mill field trip soon becomes a full-out monster bash!

Edgar Award Winner Dori Hillestad Butler gives us the ninth title in her not-too-scary chapter book mystery series, The Haunted Library. 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?