wasistwas.de
Children's non-fiction publisher of the WAS IST WAS book series, selling books and audio products to young readers and parents
Highlights
- New on EvolcAdded 2026-11-02
About wasistwas.de
Tessloff Verlag is a German children's non-fiction publisher. Its best-known product is the WAS IST WAS book series, alongside audio plays, quiz and sticker booklets, quiz blocks, colouring and activity books, and the BOOKii audio pen that plays sounds and recordings from printed pages.
Its customers are children from about age 3 and their parents. Products are offered through the publisher's online shop. The company also handles foreign rights and licenses its titles abroad.
Founded in 1961 with the first WAS IST WAS issue, the series is available in more than 75 countries, and the website states that more than 77 million WAS IST WAS books have been sold worldwide. The company is organised as Tessloff Verlag - Ragnar Tessloff GmbH & Co. KG.
Product: WAS IST WAS children's non-fiction book series, with audio plays, quiz and sticker booklets, and the BOOKii audio pen
Jobs at wasistwas.de
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Website technologies
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