Agent Harrier: This Book Will Self-Destruct

This book will explode in 5 minutes. NO TIME TO LOSE! Agent Harrier must follow the red wire and defuse the bomb before it's too late. Will our canine spy extraordinaire save everyone from being blasted to smithers? Be careful not to bark up the wrong tree, Harrier - it looks like something very fishy could be *ahem* apaw . . .