Ruim veertig verhaaltjes over Jip en Janneke, die dol zijn op dieren. Op Takkie en Siepie natuurlijk, maar ook op het egeltje dat ze in de tuin vinden en op de apen in de dierentuin.Vanaf ca. 3 jaar.
Although she wrote a variety of poems, songs, books, plays, musicals, and radio- en television drama, she is known best for her children's literature, for which she received the Hans Christian Andersen Award in 1988. She committed suicide a day after her 84th birthday and was buried in Amsterdam.