During the 90s Giles Kristian was lead singer of pop group Upside Down, achieving four top twenty hit records, performing on Top of the Pops as well as at the Royal Albert Hall, N.E.C. and Wembley Arena, and playing concerts on the same bill as such artists as The Spice Girls, Take That, The Backstreet Boys and Eric Clapton! As a singer-songwriter he lived and toured for two years in Europe and has made music videos all over the world, from Prague, Miami, Mexico and the Swiss Alps, to Bognor Regis. To fund his writing habit, he has worked as a model, appearing in TV commercials and ads for Walls Ice Cream (he was a Magnum Man!), Canon Cameras and two brands of lager. He has worked as an advertising copywriter and lived for three years in New York, where he wrote copy for movie marketing company Empire Design but mainly worked on his first novel, RAVEN: Blood Eye. 

Giles, who is half-Norwegian, was inspired by his family history to write his first historical novels: the acclaimed and bestselling RAVEN Viking trilogy – Blood Eye, Sons of Thunder and Odin’s Wolves. For his next series, he drew on a long-held fascination with the English Civil War to chart the fortunes of a family divided by this brutal conflict in The Bleeding Land and Brothers’ Fury. Giles also co-wrote Wilbur Smith’s No.1 bestseller, Golden Lion. In The Rise of Sigurd novels – God of Vengeance, Winter’s Fire, and Wings of the Storm – he returned to the world of the Vikings to tell the story of Sigurd and his celebrated fictional fellowship. His Sunday Times bestseller, Lancelot, is currently in development for TV. He followed Lancelot with Camelot, and now, Where Blood Runs Cold is his debut contemporary thriller. His latest book, Arthur is now available for pre-order and will be released in June 2024.