The Twilight of the (Greek) Gods has finally come... and they don't even know why it has happened. 
 Kendare Blake kicks off her new Goddess War series with a shocking idea: the Greek gods still exist in our world... and for some reason, they are dying. Her brash, action-packed style puts this head-and-shoulders above most Greek-mythology-derived urban fantasy has, but the lack of a resolution makes it rather frustrating. 
 Athena and Hermes are wandering the world, slowly dying. Feathers sprout inside her body, and he wastes away from an endless fever. And they're not the only ones -- all the ancient, immortal Greek gods are deteriorating in mind and body, and none of them have the faintest idea why. But Athena is determined to find out so she can stop it. 
 The answer appears to lie with Cassandra, a beautiful teen girl who has no idea that she is the reincarnation of the legendary prophetess from Troy. She also has no idea that her doting boyfriend Aidan is not who he seems to be. And as Athena and Hermes seek out the one person who might be able to save them, they clash with other old gods who will do whatever it takes to survive... including killing each other. 
 Most urban fantasies based on Greek mythology end up as bland romances. But the author of "Anna Dressed in Blood" doesn't turn out anything so mundane -- this story has romance, but it's also packed with plenty of apocalyptic action and gore, with some snappy modern incarnations of the Greek gods (Athena has tattoos!) and the heroes of the Trojan War. 
 But Blake doesn't shy away from exploring the horror of the dying immortals' situation, especially the glimpses of the maddened, nymph-devouring Poseidon or the flesh-slithering encounters with his nereids. She has a very powerful, detailed writing style, which gives a real sense of gravitas to the gods' road trip, and she has some clever ideas woven into the story (such as the Greek heroes being reincarnated, and then being reborn if they almost die). 
 The biggest problem with the novel is simple: it doesn't end. It simply stops. We STILL don't know who or what is causing the gods' afflictions, let alone how to stop it. Cue "to be continued." 
 But Blake does an excellent job making you actually like the characters, even though the Greek gods weren't known for being nice people. Athena is a strong, clever protagonist, and she seems to have some romantic stirrings for the casually intelligent Odysseus. Cassandra is a little less well-formed once her old self awakens, but the villains are worth it -- the vicious Hera and cruel Aphrodite have become even worse now that they are dying in their own ways. 
 "Antigoddess" suffers from a lack of a real ending, but it's otherwise a pretty strong urban fantasy, with desperate Greek gods that keep things action-packed.