Amazon.com description: Product Description: Alexander, who wants to be called Xan, is a misfit. He’s an awkward loner who hasn’t been able to find his place in the world. Xan’s half-brother, Robert, seems exactly the opposite. At eighteen, he’s enrolled in community college and has a decent job and a great girlfriend. So when Robert suspects Xan is traveling down a dangerous path of extremism, he is determined to intervene before it’s too late. But the brothers may be more similar than either of them realizes….

This edgy exploration of what goes on in the mind of someone pushed to the brink examines the seeds of extremism that exist in everyone—and is sure to captivate readers of all kinds.