Comet in Moominland is the second in Finnish author Tove Jansson's series of Moomin books. Published in 1946, it marks the first appearance of several main characters, such as Snufkin and the Snork Maiden.

Tove Marika Jansson was a Swedish-speaking Finnish author, novelist, painter, illustrator and comic strip author. Brought up by artistic parents, Jansson studied art from 1930 to 1938 in Helsinki, Stockholm, and Paris. She held her first solo art exhibition in 1943. Over the same period, she penned short stories and articles for publication, and subsequently drew illustrations for book covers, advertisements, and postcards. She continued her work as an artist and writer for the rest of her life.