From 1956, he wrote audio dramas for children and children's poems together with Peter Hacks. In 1956, Krüss published the children's book The Lighthouse on Lobster Cliffs with the publishing house Friedrich Oetinger.
Between 1956 and onwards, Krüss created audio dramas for children and wrote children's poetry with Peter Hacks.  In 1956, he released a children's book titled "The Lighthouse on Lobster Cliffs" through the publishing house Friedrich Oetinger.