From raids by musket-wielding war parties to heightened internecine warfare, from the influx of whalers, traders, and Christian missionaries to the signing of the Treaty of Waitangi, Kāwai: Tree of Nourishment strikes hard and deep into the heart of colonisation's impact on Māori and is guaranteed to leave readers stunned. Author Dr Monty Soutar joins Andrew Urquhart to share more on the content of his new book.