Ivory Vikings: The Mystery of the Most Famous Chessmen in the World and the Woman Who Made Them

The Real Valkyrie: The Hidden History of Viking Warrior Women

The Real Valkyrie: The Hidden History of Viking Warrior Women

The Far Traveler: Voyages of a Viking Woman

The Abacus and the Cross: The Story of the Pope Who Brought the Light of Science to the Dark Ages

Looking for the Hidden Folk: How Iceland's Elves Can Save the Earth