This unique new concise treatise provides a highly accessible but also comprehensive and timely supplement for students studying National Security Law. Written by a team of experts in the field, this treatise serves as a useful supplement for the substantively rich but often overwhelming National Security Law texts currently on the market. Key Features Comprehensive overview of both the general legal framework for national security decision-making and commonly explored specific national security topics. Narrative explanation of complex jurisprudential, statutory, treaty, and regulatory sources of national security law. Complements a range of the most commonly addressed national security topics.