Nightside of the Runes: Uthark, Adulruna, and the Gothic Cabbala by Thomas Karlsson

Thomas Karlsson explores occult interpretations of the runes in Nightside of the Runes. The first part examines Sigurd Agrell's Uthark system, including rune meanings, magical practices and divination; the second turns to Johannes Bureus's Adulrunes and Gothic Cabbala.

The book brings runic symbolism into dialogue with numerology, alchemy and Western esotericism. It is a more specialized study than an introductory rune-reading handbook. Claims about hidden powers and initiation are presented within the esoteric systems discussed, not as established historical proof of an unchanged ancient practice or demonstrated supernatural effects.