RaveThe New York Times Book ReviewDavid E. Sanger’s The Perfect Weapon is an encyclopedic account of policy-relevant happenings in the cyberworld. Sanger, a national security correspondent for The New York Times, stays firmly grounded in real events, including communication systems getting hacked and servers being disabled. He avoids the tendency, all too common in futuristic discussions of cyber issues, to spin out elaborate and scary hypothetical scenarios ... He also addresses social media and the problems of misuse that have bedeviled Facebook, including usage by foreign governments for political purposes ... the book’s inclusiveness makes it useful as a one-stop reference for citizens who want to think intelligently about all issues of public policy having a cyber dimension. The combining of that dimension with other security topics, like nuclear weapons and ballistic missiles, is a strength of the book ... The great value of The Perfect Weapon is less in its specific policy prescriptions than in its being the most comprehensive, readable source of information and insight about the policy quandaries that modern information technology and its destructive potential have spawned.