Prof. Anna Geifman’s 2010 book Death Orders examines mass political terrorism in pre-revolutionary Russia as a precedent for today’s Islamist terrorism. Geifman’s study of the Russian communist terror that prepared the 1917 revolution has enormous value for students of contemporary Islamist organizations. A common sociology links the Russian terrorists and the Islamists: Russia’s “urban populace swelled from around 9 million people in the mid-19th century to about 25 million in 1913, with inhabitants of most major Russian cities increasing four- or five-fold,” leading to a “breakdown of social values.” All of Europe experienced political upheaval associated with urbanization; but, “Less...