Vincent is the author of a number of acclaimed books on New Zealand history including bestselling works The Great War for New Zealand: Waikato 1800–2000 (2016) and The New Zealand Wars / Ngā Pakanga o Aotearoa (2019), and most recently, Voices from the New Zealand Wars/He Reo nō ngā Pakanga o Aotearoa (2021), all published by Bridget Williams Books. He is a founding partner of HistoryWorks, a group of historians specialising in Treaty of Waitangi research and an advocate for teaching New Zealand history in schools.