The number of terms, abbreviations, and acronyms has more than doubled for this new edition, and it includes a topical index and extensively cross-referenced entries. This book explains terms that relate to intelligence operations, intelligence strategies, security classifications, obscure names of intelligence boards and organizations, and methodologies used to produce intelligence analysis. Both entry-level and experienced intelligence professionals in the domestic and foreign intelligence communities find this book useful. This book is more than just a reference book, it is a book to read and enjoy, and from which to learn the art and science of intelligence analysis.