“The Bluebook: A Uniform System of Citation” is a nonfiction law book published by the Harvard Law Review Association in 2010. It is a spiral-bound edition with a compact size of 8.4 x 5.8 inches, making it convenient for use as a reference guide. The book is authored by a group of prominent law journals including Columbia Law Review, Yale Law Journal, Harvard Law Review, and University of Pennsylvania Law Review. The Bluebook provides a comprehensive system of citing legal materials in English, serving as a standard guide for legal professionals and students.