You, Your Heart and Circulatory System—A Teacher's Guide, Elementary School Level: Reducing the Risk of Coronary Heart Disease—A Teacher's Guide, Junior High School Level, 63 pp., spiral bound, $1.24;, 41 pp., spiral bound, $1.09; Reducing the Risk of Coronary Disease—A Teacher's Guide, High School Level, 43 pp., spiral bound,$1.12; 1974. From The American Heart Association—Greater Los Angeles Affiliate, 2405 W. 8th St., Los Angeles, CA 90057, attn. Ray Eden, Executive Director. California residents add 6% sales tax