BIBLIOGRAPHIC INFORMATION PERTAINING TO CURRENT BOOKS AND RECENTLY PREPARED, AVAILABLE COURSES OF STUDY FOR SCIENCE IN GRADES 1 THROUGH 9 COMPOSE THE TWO DIVISIONS OF THIS VOLUME. APPROXIMATELY 125 COURSES OF STUDY FOR ELEMENTARY AND JUNIOR HIGH SCHOOL SCIENCE ARE LISTED. ALL HAVE BEEN PREPARED SINCE 1960 AND ARE AVAILABLE FROM STATES OR LOCAL SCHOOL UNITS IN THE UNITED STATES. EACH ENTRY INCLUDES THE TITLE, COST, SOURCE OF COPIES, AND THE GRADE LEVEL OR SPAN OF GRADES FOR WHICH IT WAS PREPARED. THE INFORMATION INCLUDED WAS SOLICITED FROM MEMBERS OF THE NATIONAL SCIENCE SUPERVISORS ASSOCIATION, ALL STATE DEPARTMENTS OF EDUCATION, AND SCHOOL SYSTEMS. THE TEXTBOOK SEGMENT OF THIS PUBLICATION INCLUDES NOT ONLY TEXTBOOKS FOR ELEMENTARY AND JUNIOR HIGH SCHOOL GRADES, BUT ALSO TEXTS IN GENERAL SCIENCE AND COMPUTER SCIENCE, EARTH SCIENCE, PROGRAM UNITS, AND TEACHER REFERENCES. FOR EACH ITEM LISTED, STANDARD BIBLIOGRAPHIC INFORMATION IS GIVEN. THE GRADE LEVEL FOR WHICH THE MATERIAL WAS PREPARED AND THE PUBLISHER'S COMPLETE MAILING ADDRESS ARE INCLUDED IN MOST CITATIONS. THE BOOK LISTING WAS PREPARED FROM INFORMATION SUPPLIED BY PUBLISHERS WHO ADVERTISE IN THE "SCIENCE TEACHER," OR WHO ARE INCLUDED IN TEXTBOOKS IN PRINT AS SUPPLIERS OF SCIENCE TEXTBOOKS. THIS DOCUMENT IS ALSO AVAILABLE FROM THE NATIONAL EDUCATION ASSOCIATION, PUBLICATION SALES SECTION 1201 SIXTEENTH ST., N.W., WASHINGTON, D.C. 20036, FOR $1.00. THE STOCK NUMBER IS 471-14298. (RS)