The Scorpian Visitant by Saul Moon
Approx. 167,240 words.
Published on January 25, 2012.
Evil sorcerer Morgan Digbone sends sixties teenagers Robbie and Louise to medieval Oakwood to find the Death Stone of Izar, the missing one of six magic prisms that will make him all powerful. Robbie and Louise become lovers, but the enigmatic Jade leads Robbie astray. When Robbie and Jade are kidnapped by the regime, Louise sets out to find Robbie, only to discover who she and Robbie really are.