Career
At times she also wrote under the pseudonym Adrien de Chandelle. Her books are typically recommended to age groups 5–19 years, but they include elements even for adult readers. Her best-known book is I Am David (1963), adapted for a 2003 film.
(also published as North to Freedom), which tells the story of a 12-year-old boy who escapes from a concentration camp and travels through Europe.
Another well known book by Holm is Peter (1966), which tells the story of a teenage boy who travels in time to ancient Greece and medieval England.