H. M. Gooden 
Phoenix and the Witch [EPUB ebook] 

Fresh from their triumph against Dub in San Francisco, the girls are content to return to their normal lives, unaware that their fight against the darkness is not over.Although theysucceeded in destroying their previous adversaries, another threat has risenin a far away country.This time, they must travel to Edinburgh to confrontthe darkest of all evils.The origin.Will they succeed in fighting back the darkor will they be left irrevocably changed? As the conclusion to the original trilogy, this adventurewill set the course for everything in their lives. They will learn that even their friends may not be entirely what they seem.