Averil Constance Demuth (1906–2000) was an English writer of children's stories, several of which have a fantasy element.
The girl Trudi, the boy Hansel, the cow Lotti, the dog Berni, the hen Griselda and the raven Kraak all go up the mountain to see Riese the giant, and then all come down again.
Eleanor Farjeon gave the book a positive review: "Nora Lavrin's delicious crayon illustrations are the gay and unsophisticated complement to Averil Demuth's Tyrolean tale ...
[1] A biographical sketch of Demuth appeared in the children's book club magazine Young Wings.
One reviewer remarked that the story "spurns the hygenic world of normal holidays and enters into Lyonese and ancient magic without being objectionably fey".