Maisie Dobbs is a former maid and wartime nurse turned private investigator. In Birds of a Feather, set in 1930's London, she and her assistant, Billy Beale, are asked to find the missing daughter of a wealthy grocery magnate.They soon discover that three of the woman's friends have been murdered in a similar and unusual manner. The disappearance and the murders are linked and intriguingly lead them back to World War I. The traumatic effects of World War I on people's lives is explored in a thoughtful manner. Maisie herself is a fascinating and very likeable character. Her personal life and that of her assistant, including their working class backgrounds are absorbing and greatly enhance this complex and suspenseful mystery. If you enjoy this, the good news is that there are fourteen other novels featuring Maisie.