Dan Poblocki

Poppy, Marcus, Dash, Dylan, and Azumi are trapped inside of Larkspur House, a sinister estate haunted by the ghosts of the orphaned children who have gone before, and the house is using their fears and secrets to pick them off one by one--because nobody gets out of the shadow house alive.

Staying with their aunts over the summer, Neil Cady, his sister Bree, and their new friends Wesley and Eric, set out to explore Greylock Hall, an abandoned psychiatric hospital which is supposed to be haunted by the ghost of Nurse Janet.

Although twelve-year-old Cassidy Bean keeps a book of bad things, she did not expect her summer with the Tremont family in rural New Jersey to be one of them--but this year Ursula, a local hoarder, has died under mysterious circumstances, and Cassidy finds that there a great many bad and dangerous things hidden in her house, including, perhaps, her vengeful ghost.

Josie Sandoval and Eli Barker are the youngest of the wedding guests trapped on an island off the coast of Maine when a storm blows in--but this island is haunted by spirits seeking revenge, and the only clue that Josie and Eli have is a scrap of an old Nazi uniform and a voice crying out for help in German.

Poppy Caldwell is an orphan who keeps seeing a figure standing behind her in the mirror at the group home where she lives, but she does not associate this ghost with the letter that mysteriously appears in her file, claiming to be from a long-lost aunt, and inviting her to Larkspur House--and she is just one of five children who find themselves gathered in this strange house with a deadly past, and apparently no intention of letting the children escape....

When friends Eddie, Harris, and Maggie discover that the scary adventures in their favorite author's fictional books come true, they must find a way to close the portal that allows evil creatures and witches to enter their hometown of Gatesweed.