A Digest of Investigations in the Teaching of Science in the Elementary and Secondary Schools (to 192.51, Francis D. Curtis, 1926 (reprinted 1971), 341 pp., $7.95; Second Digest of Investigations in the Teaching of Science (1925–1930), Francis D. Curtis, 1931 (reprinted 1971), 424 pp., $7.95; Third Digest of Investigations in the Teaching of science (1931–1937), Francis D. Curtis, 1939 (reprinted 1971), 419 pp., $7.95; Research in Science Education 1938 Through 1947, Robert W. Boenig, 1969, 294 pp., $7.95; Research in Science Education 1948 Through 1952, J. Nathan Swift, 1969, 193 pp., $7.50; Research in Science Education 1953 Through 1957, Elizabeth P. Lawlor, 1970, 112 pp., $7.50, Teachers College Press, Columbia University, New York. Willard J. Jacobson, Ed. Reviewed by Charles A. Wall, Salisbury State College, Salisbury, Maryland