Book reviewed in this article:THE POLLINATION OF FLOWERS BY INSECTS. Edited by A. J. Richards.THE DYNAMICS OF ARTHROPOD PREDATOR–PREY SYSTEMS. By Michael P. Hassell.HONEYBEE PESTS, PREDATORS, AND DISEASES. Edited by Roger A. Morse.FUNDAMENTALS OF APPLIED ENTOMOLOGY, 3rd edn. Edited by Robert E. Pfadt.CASTE AND ECOLOGY IN THE SOCIAL INSECTS. By George F. Oster and Edward O. Wilso