The greatest adventure of all begins here, in the epic new prehistoric children's novel from bestselling author, academic and broadcaster, Professor Alice Roberts. Tuuli is a prehistoric girl, travelling with her tribe through the seasons - making camp, hunting for food and protecting themselves against the many hazards that the climate throws at them. Tuuli knows there's a bigger world out there, and when she spots a strange boy lurking outside their camp, she realises that he might hold the adventure she is looking for.

He is from another tribe, sent to find safer ground and as he and Tuuli strike up an unlikely friendship, they set out on a journey that will impact the rest of human history. A vast adventure with a very human heart, full of wild animals, huge scenery and heart-stopping danger and inspired by real anthropological discoveries. For fans of His Dark Materials, Wolf Brother and The Last Bear, join Tuuli on the adventure of a lifetime and uncover the start of all our histories.