Sarah Paterson is/was Family History Librarian at the Imperial War Museum, and [has] worked there for 27 years. She is the author of Tracing Your Family History: Army and edited the other books in this Imperial War Museum series. Tracing Your Prisoner of War Ancestors: The First World War was published in 2012, her book relating to tracing prisoners of war and civilian internees in the Second World War is due out later this year