“One in Heart and Purpose: The Founders and the Founding of Sigma Chi Fraternity” details the fraternity in three parts, including extensive biographies of the seven founders; the founding of the group from several perspectives, such as plays by Pulitzer-Prize winner Martin Flavin and a parody by a founder; and “In the Spirit of the Founders,” comprised of information about the founders’ memorials, from diaries kept during the Civil War, and complete listings of Significant Sigs, as well as other notable members.