What Was Lost Was Lost" was the winner in the first novel category of the Costa Book Awards. O'Flynn received a £5,000 prize. It was short-listed for the overall Costa Book of the Year Award. The Costa Book Awards' judging panel, chaired by Joanna Trollope, praised the novel for "blending humour and pathos in a cleverly constructed and absorbing mystery." They described the novel as inventive, compelling, and poignant. "What Was Lost" was long-listed for the 2007 Man Booker Prize and the Orange Prize for Fiction. It was short-listed for the Guardian First Book Award. It won the Jelf Group First Novel Award
George Washington Book Prize program, which engages millions of teachers and students throughout the nation. = winner George Washington Book Prize The George Washington Book Prize was instituted in 2005 and is awarded annually to the best book on the founding era of the United States; especially ones that have the potential to advance broad public understanding of American history. It is administered by Washington College’s C.V. Starr Center for the Study of the American Experience; it is sponsored by Washington College in partnership with the Gilder Lehrman Institute of American History and George Washington’s Mount Vernon. At $50,000, the George Washington Book Prize