Uncle Ralph's Victorian house is as "cozy as a tomb," and the ghostly figure of a small, sad boy appears without explanation. It's not exactly what Christina had in mind when her parents went to Alaska and left her with grandma. Now it's up to her to investigate what happened in the old house thirty years ago. The ghostly boy has something to tell Christina, and he seems friendly--or at least not too scary. But in the shadowy attic, something terrifying...

When his family moves to a small town near Milwaukee, Matt's efforts to fit into his new fourth-grade class are complicated by his poor spelling and his encounter with the ghost of one of the school's former teachers.

When a confident girl named Princess arrives to spend a week at Roddy's house, she encourages him to help her investigate the suspicious activities happening at a supposedly haunted house.

When their father moves them for the seventh time in the five years since their mother's death, Jenny and her younger sister hope to stay in this latest house and try to find out about the malevolent ghost who seems bent on getting revenge on their elderly neighbors.

While visiting his friend Jeannie's eccentric Aunt Rosebud in a boarding house that may be haunted, ten-year-old Chad comes across a mystery involving a missing diamond bracelet.

Twelve-year-old Gwen, an orphan who comes to live with the Mercy family, discovers that the house is haunted by the ghost of a sad-looking young girl and is determined to solve the mystery behind her appearances.