The Invasion of Canada is a 1980 book by Pierre Berton. The book is an account of the first year of the War of 1812, and the events leading up to it. Details of the book were drawn from memoirs and diaries of both common soldiers and commanding officers, as well as official military correspondence. The story of the war, to its conclusion, was continued in the follow-up book, Flames Across the Border (1981).