This book by four Estonian sauna enthusiasts makes a perfect addition to any sauna. Just about everything you've wondered about both the Northern European steam sauna and baths around the worlds is explored: the deeper origins of the Estonian sauna tradition, bathing practicises in olden days and modern times, the differences between the Islamic world's hammam and Japanese onsen, the sauna's role in supporting health and healing, and how to build your own modern Northern European steam sauna.