Bitter because of the accident that left her confined to a wheelchair, Julie spends hours playing with a Ouija board until she inadvertently contacts a demon

When Chris inherits a sorcerer's ancient book of spells and starts practicing the dark spells, he doesn't realize the danger he faces as he enters the world of black magic.

At the State Fair, Jack wins a strange doll for Cassie's collection, unaware of the doll's sinister power to control her.

Brenner, Barbara

A mysterious man named Chort offers the Coastals, a high school rock band, a chance at wealth and fame for an undisclosed price

Book by Bridges, Laurie

Using an ancient book of spells, Andrew calls up the demon, Angela, who agrees to give him the talent to become a star basketball player.

When Jeff starts boarding school, he realizes that the invisible companion that has helped him pass tests and has protected him from bullies is really a demon seeking to possess his soul.

Discovering an ancient tarot deck in her grandmother's attic, Bonnie McBurnie is horrified by the overwhelming powers that are unleashed when she uses the cards and is forced to confront an unsolved family tragedy

Satan's Computer Doug is an ace arcade player-he always seems to make the winning moves. Then he is faced with the ultimate test, an incredible computer game called Beat the Devil, in which much more than his ego is on the line. It's the most exciting-and the most dangerous-challenge of his life. First his sanity, then his closest friends, and finally his very soul are at stake-as he competes against a monstrous, mind=shattering code-programmed by the prince of evil... Beat the Devil

Lisa and her younger sister, Carrie are totally bored by their seaside vacation. Until their grandmother shows thema strange new game-something called automatic writing, which enables Lisa to contact the spiritworld. To her shock, an eerie message spells out terrible danger. Shaken by the nightmare experience, Lisa promises she'll never try it again. Then she meets Brian, who reveals a chilling secret. Lisa's summer home is known to be haunted by a ghostly female. Although frightened, Lisa becomes trapped by her own curiosity. She knows that if she tries to contact the demon force, she'll be consumed, mind and soul. But the unholy power is drawing her closer to the edge of doom...

Dennis is shocked to discover that the ritual performed by his fantasy game club has released an ancient evil power

Book by Weinberg, Larry

Bob, an Olympic hopeful, and his girlfriend, Jana, become members of the Icarus Gymnastic Troupe and discover that they have been chosen to be living sacrifices by an evil force from beyond the grave.

Book by Polcovar, Jane