Steeped in the natural history of Mary Anning's Jurassic Coast, a powerful dual-timeline story about friendship, mental health and hidden stories. 1884. Emma Linden dreams of following in the footsteps of the famous fossil-hunter, Mary Anning on the Jurassic Coast. But Emma's world begins to spiral when her brother James becomes obsessed with a glassy-eyed tiger at the museum. Over 100 years later, her descendant Rosie Linden goes missing, her mind full of prowling tigers. With her new friend Jude, Rosie uncovers family secrets buried like layer upon layer of rock. Together they must sift the past to find the truth and heal the present.