The super helpful and knowledgeable girl who works at MacLeods Books had told me that the artist had made a whole series of well known Children's stories in the same style. She said that the version of 'Little Red Riding Hood' was the most popular amongst them.
Since I wasn't familiar with Warja Honegger Lavater, I did a bit of pocking around online when I came home and found a very good article here on 'And The Ghosts So Silver'. It features more images of the inside of the 'Little Red Riding Hood' book.