This is the story of a journey of discovery, following a mysterious report of a wild beaver on the River Avon near Bath. It describes intimate observations of life on the river and the ultimate discovery of a family of wild and free beavers and a revitalised environment. In the telling, it reveals how the river offered the author sanctuary and how immersion in the world of the beaver led to his own revival. The discovery of these free-living Avon beavers was heralded in the national news as a breakthrough moment for UK wildlife.