The second title in a cosy crime puzzle series following the adventures of super-sleuth Ivy and her grandpa, Bearlock Holmes.

When a dinosaur fossil disappears from Bearona's remote Jurassic Ridge, Ivy and Bearlock face their trickiest case yet.

With 15 interactive puzzles woven through the story, readers can join the duo as they unravel a mystery inspired by real-world fossils, evolution and conservation. Featuring charming illustrations and a heartwarming cast, this series combines cosy mystery with STEM - perfect for curious young detectives.

Also available:

• The Case of the Missing Flower (Ivy and Bearlock 1)

"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