In this second volume of the popular full-colour chapter book series, Ivy and her grandpa Bearlock Holmes return - two super-sleuths with a knack for solving the trickiest cases. When a dinosaur fossil mysteriously vanishes from Bearona's remote Jurassic Ridge, Ivy and Bearlock are called in to investigate. What first appears to be a simple disappearance soon turns into a puzzling case filled with surprising clues and unexpected twists.

As the mystery unfolds, readers are invited to join the detectives in cracking the case through 15 interactive puzzles woven into the story. From spotting patterns and following trails to testing theories and weighing evidence, each challenge helps move the investigation forward while keeping young readers fully engaged.

Packed with charming illustrations and a warm cast of characters, The Mystery of the Dinosaur Fossil blends cosy mystery with science and the natural world in an accessible, full-colour chapter-book format. Perfect for curious early readers who love puzzles, problem-solving, and playing detective, this second adventure builds on the Ivy and Bearlock Holmes series with a hands-on mystery inspired by fossils, discovery, and scientific thinking.

”5+ readers with an interest in detective stories and nature will enjoy helping Ivy and her grandpa solve the case in this absorbing, beautifully designed puzzle book.” - Guardian