Blue Flame by K. M. Grant (Book One of the Perfect Fire trilogy)

I never finished reading this book, but if you've read it, let me know what you think!

Publisher:  Walker & Company (2008)
Pages:  246




Front Flap Description
Many years have passed since the Occitanian knights killed Richard the Lionheart while trying to protect the Blue Flame--sparked at the moment of Christ's death--from falling into the wrong hands.  Now it is in danger once again as enemies from the North draw near, preparing to stake their claim to the Flame's promise of power.
   In the midst of the looming battle, lifelong friends Raimon, son of a Cathar weaver, and Yolanda, daughter of a Catholic count, are falling in love.  But the arrival of an inquisitor to their beloved Castleneuf changes everthing, as his search for the Blue Flame endangers their relationship, their families, and their very lives.
   This deadly religious crusade sets boy against girl, family against family, neighbor against neighbor, South against North.  Though many seek to possess the Blue Flame, only one person is destined to wield its power to save the people and sovereignty of the Occitan.