CHEMISTRY PAPERS PUBLISHED IN 1964 IN LEADING SCIENCE TEACHING JOURNALS OF THE WORLD ARE INCLUDED IN THIS UNESCO PUBLICATION. THE PAPERS CONTAIN INFORMATION ABOUT NEW DEVELOPMENTS IN CHEMISTRY TEACHING FOR CHEMISTRY TEACHERS IN UNIVERSITIES, TEACHER PREPARATION INSTITUTES, AND SECONDARY SCHOOLS. THE PAPERS ARE REPRINTS OF THE ORIGINAL JOURNAL ARTICLES AND ARE WRITTEN IN EITHER FRENCH OR ENGLISH. SUBJECT MATTER TOPICS INCLUDE (1) ATOMIC STRUCTURE AND THE PERIODIC TABLES, (2) MOLECULAR STRUCTURE, (3) CRYSTALS AND X-RAYS, (4) STEREOCHEMISTRY, (5) COLOR AND PHOTOCHEMISTRY, (6) ENERGETICS AND KINETICS, (7) REACTIONS IN AQUEOUS SOLUTIONS, AND (8) ELEMENTS AND THEIR COMPOUNDS. OTHER SECTIONS ARE DEVOTED TO MODELS AND EXPERIMENTS, PROGRAMED LEARNING, AND CURRICULUM REFORM. SIMILAR VOLUMES WILL BE COMPILED EVERY 2 YEARS. THIS DOCUMENT IS AVAILABLE FROM THE UNESCO PUBLICATIONS CENTER, 317 EAST 34TH STREET, NEW YORK, NEW YORK 10016, 341 PAGES, $7.00. (AG)