Before turning to crime, A.M. Castle had a long career as a feature writer on national newspapers including the Daily Express, The Times and The Daily Telegraph. She grew up in south London and, after a stint in Brussels, she is back where she belongs. As well as writing psychological thrillers, she also writes cosy mysteries as Alice Castle. She is married with two children, two stepchildren and two cats.

Before turning to crime, A.M. Castle had a long career as a feature writer on national newspapers including the Daily Express, The Times and The Daily Telegraph. She grew up in south London and, after a stint in Brussels, she is back where she belongs. As well as writing psychological thrillers, she also writes cosy mysteries as Alice Castle.