Jennifer Estep 
By a Thread 

The sixth book in the USA TODAY bestselling Elemental Assassin urban fantasy series featuring Gin Blanco, who by day owns a Tennessee BBQ joint, and by night is a tough female assassin known as the Spider. I never thought Id need a vacation from being an assassin.My name is Gin Blanco, and Im the assassin the Spider. All the Ashlands lowlifes are gunning for me and trying to make a name for themselves by taking out the Spider. So I think its a good idea to get out of Ashland for a while until things cool down.So Im headed south to a swanky beach town, along with my baby sister, Bria, for a weekend of fun in the sun. But when an old friend of Brias is threatened by a powerful vampire with deadly elemental magic, it looks like Ill have to dig my silverstone knives out of my suitcase after all. But this time, not even my own Ice and Stone power may be enough to save me from coming home in a pine box