The McDougal Littell Structure and Method Ser.: Algebra BK. 1 is a textbook published by Great Source Education Group, Incorporated in 1999. Written by authors William L. Cole, Robert H. Sorgenfrey, Mary P. Dolciani, and Richard G. Brown, this book covers the subject areas of Mathematics/Algebra and Mathematics/General. With a hardcover format and 816 pages, this textbook is designed for use in high school and elementary school educational settings. It aims to provide a comprehensive and structured approach to teaching algebra, making it a valuable resource for students looking to learn and master the subject.