The JerryMaya Detective Agency

LasseMajas Detektivbyrå, “The JerryMaya Detective Agency” is a Swedish children’s book series written by Martin Widmark and illustrated by Helena Willis. The international best-selling series of illustrated chapter books follows friends and classmates Jerry and Maya on their crime solving adventures in the small town of Valleby. 

Facts

  • Since the first book in 2002 over 30 books have been published.
  • Over 20 million books sold worldwide
  • 7,7 million copies sold in China
  • Translated into 35 languages
  • Six live-action movies based on the books 
  • Martin Widmark is the most read & translated
    living author in Sweden.
  • Awarded “Best Children’s Crime Novel” by Crimetime Awards 2019
  • New comic magazine released in 2020
  • Two seasons of “LasseMajas Detektivbyrå” on C More/Tv4 
  • Lassemajas Deckarhus opened in 2023

Author photo: ©Thron Ullberg

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    Martin Widmark and Helena Willis