She lives and works in Sweden and writes books for adults and children under the name Grethe Rottböll.

[6][7] Rottböll has published two books about the boy character Ole, with illustrations by Anna-Karin Garhamn.

[7] She has also published factual books on subjects like singing, rhetoric, theatre, traffic, circus and dragons.

[1] With illustration work by Lisen Ådbåge, Rottböll has published the much liked books about Tio vilda hästar (ten wild horses).

[7] In 2013, she published the book Jon har ett svart hål i sitt röda hjärta (Jon has a black hole in his red heart); the book tells about death in a way which is understandable for children.