Books published by publisher Grey Castle Pr

The reader embarks on an expedition in an underwater vessel to find the lost city of Atlantis. By choosing specific pages, the reader determines the outcome of the plot.

The members of the Baby-sitters Club split their time between babysitting and investigating the spooky noises behind Dawn's bedroom wall.

The girls in the Baby-sitters Club face new complications when Logan tries to become the club's first male member and shows an interest in Mary Anne.

Describes the history and current teams, leagues, and championships of football and provides instruction on how to play the game.

Describes the history and current teams, leagues, and championships of hockey and provides instruction on how to play the game

The Hardy Boys pursue a mysterious girl through the woods and discover a medical facility where a deadly terrorist gang is creating look-alike clones to carry out their activities

Describes the history and current teams, leagues, and championships of softball and provides instruction on how to play the game.

Elizabeth wonders if her twin sister Jessica can handle her new boyfriend Bruce, Sweet Valley High's most eligible and arrogant male.

After the kidnapping of the Hardy Boys' father, criminals hold New York City ransom under the threat of a city-wide fatal virus infection.

Nancy hunts for the midnight prowler responsible for causing a string of accidents at the Webb Cove Ski Lodge.

Their friend Biff Hooper's disappearance at a survival game camp in Georgia leads the Hardy Boys to discover a training site for an elite corps of attack troops.

Stacey, a member of the Baby-sitters Club, struggles with her parents who refuse to believe that she has diabetes.