Mary Beacock Fryer is a well-known expert on Upper Canadian history. She has written a trilogy on the Simcoe family: "Elizabeth Posthuma Simcoe: A Biography", "Our Young Soldier: Lieutenant Francis Simcoe, 6 June 1791-6 April 1812", and "John Graves Simcoe: 1752-1806, A Biography". Among Fryer's other books are "Escape", "Beginning Again", and "Buckskin Pimpernel".