Textbook

 Textbook:
``Galaxies in the Universe: An Introduction", by Linda S. Sparke and John S. Gallagher (ISBN-13 978-0-521-67186-6).
available from the Textbook Annex or check amazon.com.

Further reading:
"The Physical Universe An Introduction to Astronomy", by Frank H. Shu, 1st edition  (ISBN 0-935702-05-9),
You may want to check amazon.com for a discount.