"My Friend the Fanatic" is a portrait of the world’s most populous Muslim country, Indonesia, a land once synonymous with tolerance that finds itself in the midst of a profound shift toward radical Islam. This portrait is painted through a pair of unlikely protagonists. Sadanand Dhume, the author, is a foreign correspondent, an Indian atheist with a fondness for literary fiction and an interest in economic development. His companion, Herry Nurdi, is a young Islamist who hero worships Osama BL.