Cassandra Khaw 
Last Supper Before Ragnarok [EPUB ebook] 

The Apocalypse is Old News.Tanis Barlas, snake-woman assassin. Cason Cole, the killer of gods. Louie Fitzsimmons, the last known Prophet. And Rupert Wong, a chef who just wants to eat his instant noodles and stay home.The Greek Pantheon has been obliterated, and gods and monsters across the globe are looking to fill the vacuum. But Rupert, Case, Fitz, and Tanis have bigger problems to deal with.It’s time to answer the biggest question of all: Where did the father gods go?