Book 1
Ripley Twists: Human Body
Camilla de la Bedoyere
Book 2
Ripley Twists: Wild Animals
Camilla de la Bedoyere
Book 3
Ripley Twists: Mighty Machines
Ian Graham
Book 4
Ripley Twists: Space
Dr. Mike Goldsmith
Book 5
Ripley Twists: Extreme Earth
Clint Twist, Lisa Regan & Camilla de la Bedoyere
Book 6
Ripley Twists: Sports
Geoff Tibballs
Book 7
Ripley Twists: Oceans
Camilla de la Bedoyere
Book 8
Ripley Twists: Dinosaurs
Rupert Matthews
Book 9
Ripley Twists: Brutal Beasts
Camilla de la Bedoyere
Book 10
Ripley Twists: Sharks and Other Scary Sea Creatures
Camilla de la Bedoyere