Gavin Mortimer was born in London and now lives in the south of France. He spent his early twenties travelling, and began writing full-time in 1996.
Initially working as a freelance journalist, he contributed to a broad cross-section of publications including Esquire, BBC History Magazine and a number of British newspapers. His first adult non-fiction book, Shackleton, was published in 1999 and he has written a further five, including the highly successful Stirling's Men.
Gavin has also written a number of children's books, on subjects as diverse as the Aztecs and cricket. He has lectured on Ernest Shackleton and the SAS in World War II to, among others, IBM, Allen & Overy and the National Army Museum.