Serum

The day Madisson chose to die, she met Max on Westminster Bridge.Five hundred years old and able to read her thoughts, he didn't offer to save her—he offered revenge, and a new life in return.Now Madisson is legally dead and no longer entirely human, drawn into a hidden world of hybrids, pack law, and ancient power beneath London. Her mission is simple. The consequences are not.But as the plan unf...