The Saga of the Volsungs (Völsunga Saga)
This 13th century Icelandic Saga tells of the rise and fall of the Völsung clan.

Other Books
Wights and Ancestors
The Prose Edda, Public Domain
Trolldom
Gesta Danorum, Elton
Northern Mythology V2
Seidways
The Poetic Edda, Dronke
Nordic Runes
Norse Revival: Transformations of Germanic Neopaganism
Volsunga Saga