"A Soap Heart: A Description of Folk Customs. A Three-Ray Comedy" is a work by the Finnish writer Martti Vuori, which impresses with its deep immersion in folk folklore and traditions. In each of the three acts of this hilarious comedy, vivid images of characters are revealed, which cheerfully and with characteristic humor show various aspects of ethnic folklore. Readers will be able to enjoy vivid pictures of the life and traditions of the Finnish people, which the author skillfully embodied in his work. Savon kurdassä: Kansantapojen kujujas is a bright and funny book that opens up the magical world of Finnish traditions and customs to the reader.