Gillian Cross

Things at school have been looking up for Dinah, Harvey and Lloyd since their defeat of the villainous Demon Headmaster. The pupils are acting normally, and their new headmaster seems perfectly ordinary. Then the arrival of a new computer game, Octopus Dare, with its competition to find the Junior Computer Brain of the Year, sends ripples of...

For years, Paula and her father have dreamed and talked about trying to find the lost city of Atahualpa. And now, without warning, Paula is taken out of school and finds her dream come true. Together with her parents and Finn, the photographer, she travels to South America to begin the journey. But as they descend towards the jungle, Paula senses...

Dinah, Lloyd and Harvey hoped they'd seen the last of the Demon Headmaster when they moved to a new village. However, almost immediately, they can tell something's not right about the place. There's a loud buzzing noise coming from the biogenetic research centre, and a creeper that grows extraordinarily fast. Why are the security...

Charlie is always trying to find unusual things to capture on camera and takes a chance photograph in the dark of something swimming in the river. He thinks he knows what it was, but no one believes him. When the photo's displayed at school, new boy Peter seems fascinated. It seems bizarre. But Peter's weird, when he looks at people in a...

Club Purple is the place to be. What makes it so fantastic is the mysterious DJ Pardoman, who keeps his face hidden behind an ever-changing electronic mask. When a competition is announced to unmask him, everyone wants to know who's behind it. To win, entrants have to find out as much as possible about DJ Pardoman. Of course, Dinah, Lloyd, Harvey...

Mystery, emotion and adventure, from the winner of the Carnegie Medal...