Eden, Michigan, high school student Kate Winters strikes a bargain with Henry, Greek god of the underworld, if he'll cure her dying mother of cancer. The bargain she strikes with him is a grim one, but the full enormity of what she has undertaken--"live forever or die trying"--is not revealed until it's too late to recant.

It's always been just Kate and her mom--and her mother is dying. Her last wish? To move back to her childhood home. So Kate's going to start at a new school with no friends, no other family and the fear her mother won't live past the fall.

Then she meets Henry. Dark. Tortured. And mesmerizing. He claims to be Hades, god of the Underworld--and if she accepts his bargain, he'll keep her mother alive while Kate tries to pass seven tests.

Kate...

Love or life. Henry or their child. The end of her family or the end of the world.

Kate must choose.

During nine months of captivity, Kate Winters has survived a jealous goddess, a vengeful Titan and a pregnancy she never asked for. Now the Queen of the Gods wants her unborn child, and Kate can't stop her--until Cronus offers a deal.

In exchange for her loyalty and devotion, the King of the Titans will spare humanity...

Escaping a life of marginalization and misery, Kitty Doe joins the most powerful family in the country, a choice that requires her to assume the identity of the Prime Minister's niece and stop a rebellion that ended her predecessor's life.

Kate finds herself faced with the choice of saving her unborn child along with all of humanity but losing Henry and her mother.