Haunted after helping her father on his ghost-themed Chicago bus tour, twelve-year-old Claire must discover what the spectral boy from the bus wants before it is too late.

Quinn is suspicious of her new neighbors, the Ladies in White, and when her friend Lex starts to act strangely after spending so much time with them, Quinn enlists Mike to help her uncover who the Ladies in White are and what they want with their friend.

Leo is a friendly house ghost--but when a family moves into his house, and tries to get rid of him, he leaves and roams the city looking for a friend.

Locked in the science closet after hours by the cool girls who have rejected her, Riley escapes to discover that all the school doors are locked, the phones are dead, and the lights aren't working, and as she roams through the building seeking a way out, she starts to suspect that she isn't alone.

When the school assigns each eighth-grader the name of a teenager who died in the past year as a lesson in mortality, Worm Tarnauer, who thrives on being invisible, doesn't count on Becca Finch, the seventeen-year-old car crash victim who changes everything.

A field trip to Washington, D.C. turns into a middle-grade mystery! In this Field Trip Mysteries book, sixth-grader Edward "Egg" Garrison and his friends travel to the nation's capital. But when they arrived at Union Station, people scream and flee the popular landmark. They've seen a ghost, the ghost of George Washington, the first U.S. president! The four friends find themselves smackdab in another mind-bending mystery. And if they don't act fast,...

Hannah believes she has finally found a friend in Cady, but soon Cady is copying Hannah's style to be more like her and begging her to break her parents' rules and venture into the forbidden woods behind Hannah's home.

Together a ghost and a girl make it their mission to save the local library that is scheduled for demolition.

As Will, fifteen, sets out to avenge his brother Shawn's fatal shooting, seven ghosts who knew Shawn board the elevator and reveal truths Will needs to know.