Tessloff: The Magic of Knowledge as a Business Model

  • Development into a family brand
  • Leading in knowledge transfer
  • Pioneer for sustainability in practice

Tessloff is one of Germany’s leading publishers of non-fiction books for children, specialising in imparting knowledge to young readers. Tessloff is particularly well known for its successful WAS IST WAS book series, which explains complex factual topics to children in a simple and vivid way and has achieved cult status.

  • Sparking children’s curiosity
  • Conveying knowledge in an understandable way
  • Audio plays, podcasts and Alexa app
  • Numerous titles for early readers
  • Workbooks for schoolchildren

Tessloff has been part of the müller x net family since the late 1980s and has undergone continuous development – with product innovations such as the BOOKii audio pen, which supplements books with interactive digital content. Tessloff stands for social commitment, supports the promotion of reading and democracy education in Germany, and has had a positive influence on the entire network in terms of sustainability.

What we are Proud of

Comenius-EduMedia Award 2019

German publisher award 2020

German award of company-Engagement 2025

Strengthened for the future

With the unique expertise and experience of our international network, we accompany partner companies into a successful future.

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