Kenneth Bulmer 
Sword of the Barbarians 

A massive migration of the gods threatens the March of Gamelon with apocalyptic change.Only Torr Vorkun of Darkholm and his lovely twin sister, Tara, can preserve order and prepare the people for a new era. Torr is a magnificently powerful youth who bears the magical broadsword, Lycheaper. Tara, too, is magnificent, yet her secret power lies in the witchery she can invoke — when naked.Kenneth Bulmer, a leading British writer of fantasy and science fiction, paints a vivid and heroic picture of a world convulsed with change and aflame with new hope.