Answer
"The Moomins and the Great Flood," the first Moomin book by Finnish author and artist Tove Jansson, introduces readers to the quirky and whimsical world of the Moomins, a family of white, roundish creatures who live in Moominvalley. Published in 1945, this enchanting tale sets the stage for subsequent Moomin adventures, capturing imaginations with its blend of fantasy, mischief, and heartwarming family dynamics.