"A nice, normal life. Is that too much to ask? For Riley Thorn it is. Divorced. Broke. Living with a pack of elderly roommates. And those hallucinations she's diligently ignoring? Her tarot card-dealing mom is convinced they're clairvoyant visions. Just when things can't get worse, a so-hot-it-should-be-illegal private investigator shows up on her doorstep looking for a neighbor...who turns up murdered. Nick Santiago doesn't play well with others....

A friend has asked the Mystery Inc. gang to investigate the old zoo full of ex-circus animals that he just bought, because it seems to be haunted--and soon the gang finds themselves pursued by a couple of "vampires."

When the Mystery Inc. gang gets lost in the desert they decide to check out the local ghost town, Sladeville, and find it apparently full of ghosts--but Velma suspects that living people are behind the ghostly manifestations.

"When a mysterious little free library (guarded by a large orange cat) appears overnight in the small town of Martinville, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change. Evan and his best friend Rafe quickly discover a link between one of the old books and a long-ago event that none of the grown-ups want to talk about. The two boys start asking questions whose answers will transform...