The Physical Universe: An Introduction to Astronomy (Series of Books in Astronomy)

Frank Shu is a Professor of Astronomy at the University of California, Berkeley. He received his PhD from Harvard University in 1968. Shu has written a number of expository articles for the lay public, and is the author of The Physics of Astrophysics, Volumes I and II.  He is a member of the U.S. National Academy of Sciences and Academia Sinica.