In the Days of Giants: A Book of Norse Tales, is a book by American author Abbie Farwell Brown, and was first published in 1902. Like her other book, The Book of Saints and Friendly Beasts, this too is aimed at younger readers. It contains sixteen tales about gods and giants from Norse mythology, including how things began for the people of the North, the story of how Odin lost his eye, a story about Loki's children, Thor's visit to the Giants, the giant builder, and more.