Books reviewed in this article:The Role of Calcium in Biological Systems, Volume 1. Eds., Anghileri, L. J.&A. M. Tuffet‐Anghiliri, A. M.Viral Infections in Oral Medicine. Eds., J. J. Hooks&G. W. JordanBiocompatibility of Dental Materials. Vol I: characteristics of dental Tissues and Their response to Dental Materials.Eds., D. C. Smith and D. F. WilliamsIllustrated Distionary of Dentistry. Ed., S. Jablons