This is technically a children's book, but it's good reading for an adult, too. It is a retelling, in simple language (since it's for kids) of the great folk tales of Finland. Originally sung as folk songs in the oral tradition in rural Finland, these songs were collected and written down, in a collection called Kalevala. One day I'd like to read a more literal translation of the actual Finnish ballads, but this prose re-telling makes for a fun read.