Baker, Jeffrey J. W., Cell; Aylesworth, Thomas G., Our Polluted World; Haffner, Rudolph E., Genetics: The Thread of Life; Haffner, Rudolph E. AND Baker, Jeffrey J. W., The Vital Wheel; Baker, Jeffrey, J. W., In The Beginning; Dewaard, E. John, What Insect Is That?; Drummond, Jr., Ainslie, H., Atoms, Crystals, Molecules, Part I; Atoms, Crystals, Molecules, Part II; Drummond, Jr., Ainslie, H., Frontiers of Chemistry; Drummond, Jr., Ainslie H., Chemical Reactions; Houston, Walter Scott, Exploring Nearby Space; Houston, Walter Scott, Frontiers of Nuclear Physics; and Linn, Charles, Probability and Statistics. Columbus, Ohio, 43216 (Education Center): American Education Publications, 1966—31 to 63 pages each. $0.25 each