In 1996 his book "Thomas Cranmer: A Life" won the James Tait Black Memorial Prize. His 2003 book ' won the 2004 National Book Critics Circle Award, the 2004 British Academy Book Prize and the Wolfson History Prize. ' was published in September 2009 with a related 6-part television series called "A History of Christianity" which first aired on BBC4 in 2009 and then on BBC2 and BBC4 in 2010. The book won McGill University's Cundill Prize, a $75,000 prize, the largest such prize in Canada at the time.