
Karl Martino Widmark is a Swedish children's writer and teacher. His books about LasseMaja junior mysteries, in English named The Whodunit Detective Agency, have been translated from Swedish into 34 languages. Eight of them have been translated into English and published by Grosset and Dunlap. Several of his books about the Whodunit Detective Agency have been adapted to film in Sweden, and they have also been made into board games, theater and video games. Martin Widmark was born in Sturefors and grew up in Linköping, but has lived in Stockholm since the 1980s.
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Den trettonde gästen
2006
ISBN 9789163851148
The Cafe Mystery #4
2015
ISBN 9780698197534
The Circus Mystery
2015
ISBN 9781484447017
The Mummy Mystery #5
2015
ISBN 9780698197541
The Gold Mystery
2016
ISBN 9781484489925
Biblioteksmysteriet
2007
ISBN 9789163855832
The Circus Mystery #3
2015
ISBN 9780698197527
Cafe Mystery
2015
ISBN 9781484447024
The Swimming Pool Mystery #6
2015
ISBN 9780698197558
Diamantmysteriet
2015
ISBN 9789163883071
The Movie Theater Mystery #7
2016
ISBN 9780399542879
Muumion arvoitus. Lasse-Maijan etsivätoimisto
2016
ISBN 9789513192495
The House of Lost and Found
2018
ISBN 9781782505426
Dinosauriemysteriet
2023
ISBN 9789179774363
Tajemnica złota
2010
ISBN 9788360963869