When their mom remarries, Molly and her brother, Michael, try to make friends with their new stepsister, Heather. But Heather only wants to make trouble for them. She lies and tattles and misbehaves, and somehow they always get the blame. They know she's trying to drive a wedge between her father and their mother so she can have her father all to herself--and it seems to be working. Then, Heather starts playing in the graveyard behind their new house....

Travis and his sister Corey decide to boost business at their grandmother's Vermont inn by staging a few "hauntings" that soon draw tourists from across the country, but when their antics awaken a dark force, they must find a way to put to rest the ghosts they have disturbed.

In the nineteenth century, ten-year-old Florence Crutchfield leaves a London orphanage to live with her great-uncle, great-aunt, and sickly cousin James, but she soon realizes the home has another resident, who means to do her and James harm.

"Eleven-year-old Brendan Doyle doesn't get along with his foster mother, he's failing fifth grade, and he's bullied mercilessly by a band of boys in his class. Then Brendan meets two potential friends--an eccentric old man and a girl from summer school--and he sees that there may be hope for him after all"--