Barker, Pat Regeneration / Pat Barker - London Penguin 2009 - 251 p. 20 cm. - The regeneration trilogy ; 1 . ISBN: 9780141030937 Subjects--Topical Terms: Sassoon, Siegfried; 1886-1967--Fiction.World War, 1; 1914-1918,--Fiction. Index Terms--Genre/Form: Historical Fiction.