Då gymnasieläraren Marr en morgon något försenad kommer till sin lektion och öppnar dörren till klassrummet ser han sig själv stå i katedern och undervisa sin klass. En dubbelgångare har tagit över och steg för steg utestängs Marr från sitt eget liv. En suggestiv och andlöst spännande berättelse börjar...
Marr är trdje delen i Håkan Nessers triologi Barins triangel.
Håkan Nesser is a Swedish author and teacher who has written a number of successful crime fiction novels. He has won Best Swedish Crime Novel Award three times, and his novel Carambole won the Glass Key award in 2000. His books have been translated from Swedish into numerous languages.
Håkan Nesser was born and grew up in Kumla, and has lived most of his adult life in Uppsala. His first novel was published in 1988, but he worked as a teacher until 1998 when he became a full-time author. In August, 2006, Håkan Nesser and his wife Elke moved to Greenwich Village in New York.