Yolanda, on the verge of womanhood, is the daughter of a Count in medieval Occitan. With the threat of France invading Occitan and the religious persecution between the Catholics and Cathars, her countrymen find solace in the myth of the blue flame--and then it makes a mysterious appearance.

What a well written YA book! Lately, I've been reading a lot of YA's with good stories but mediocre language. Grant is very talented.