Reading list: Mumintrollen Series
https://archive.org/details/the-moomin-books/The%20Moomin%20Books/Moominvalley%20in%20November/Moominvalley%20in%20November%20-%20Tove%20Jansson/page/n51/mode/2up

Missing The Adventures of Moominpappa, Summer Stories from Moominvalley, Moomin's Splendid Summer, Moomin's Lift-The-Flap Hide and Seek, Moomin's Most Magical Pop-up Book, and Toves & Lars comic strips/volumes.