In 2020, ‘Turncoat: Benedict Arnold and the Crisis of American Liberty‘ won the Society for Military History Distinguished Book Award in the biography category. In 2013 ‘George Washington: Gentleman Warrior‘ won the George Washington Book Prize and the New England Book Festival category ‘biography / autobiography’.
In 2008, ‘Paths of Glory: The Life and Death of General James Wolfe‘ won the Distinguished Book Award of the Society of Colonial Wars of New York and the Charles P. Stacey Prize for Canadian Military History.