At twenty-three years of age, Daveed Gartenstein-Ross was a devout follower of radical Islam. A product of progressive Jewish parents and a resident of Ashland, Oregon, Gartenstein-Ross seemed like the least-likely candidate for induction into such a group of people. He tells the story of his experience within Islamic radicalism and his eventual disillusionment and conversion out of the faith in his new book “My Year Inside Radical Islam: A Memoir” (Tarcher Penguin, 2007).