A groundbreaking book collates all that is known about Tasmania's first inhabitants, back to 40,000 years ago, by surveying contemporary scientific evidence, and re-interpreting colonial records.  It also offers insights into ancient peoples on the mainland and elsewhere. Guest: Shayne Breen, historian who has worked with the Tasmanian Aboriginal community for over 30 years. Author of ‘First Tasmanians: a deep history’ (Miegunyah Press/MUP) Producer: Ann Arnold