Follow Jess, Ben, Amelie and Zac as they use science to escape from terrifying danger, and try some exciting experiments for yourself. In The Cave of Shadows, the gang uses the science of light to explore a huge, spooky cave in search of a lost puppy. Will they find Poppy the puppy? And will they ever find a way out again?Science has never been more exciting with this attention-grabbing approach which delivers true scientific learning through an action-packed story and spectacular graphic illustrations. The science in the story is backed up through simple experiments that readers can try for themselves.