These texts are recommended, but not required:

1. M. Ragheb, "Nuclear, Plasma and Radiation Science, Nature's Strong, Weak and Electromagnetic Forces,  https://netfiles.uiuc.edu/m-ragheb, 2004.

2. A. Edward Profio, "Radiation Shielding and Dosimetry," John Wiley and Sons, Inc. 1979.

3. J. Shapiro, "Radiation Protection, A Guide for Scientists and Physicists," Harvard University Press, 1981.

4. Eric J. Hall, "Radiobiology for the Radiologist," Harper and Row, Pulishers, 1978.

5. H. Cember, "Introduction to Health Physics, McGraw Hill, 1996.