On a school trip to the Hall of the Bulls in France, Simon and Dan find themselves face to face with real cave men. This exciting prehistoric adventure story has been written by Tom Bradman.

- Collins Big Cat Progress books are specifically designed for children at Key Stage 2 who have a Key Stage 1 reading level, giving them age-appropriate texts that they can read, building their confidence and fostering positive attitudes towards reading.

- Text type: An adventure story