A new introductory ground water textbook, Fundamentals of Ground
Water, was published by Wiley. The book was co-authored by Frank
Schwartz and Hubao Zhang.
Here are the features of the textbook.

(a)In-text pedagogy featuring numerous worked examples and exercises
in each chapter, as well as end-of-chapter highlights to emphasize
important concepts.
(b)Can serve as an introductory groundwater text for students or as a
reference for ground-water professionals.
(c)Window-based computer programs simulate groundwater processes.
(d)Excel spreadsheet programs demonstrate the calculation of mass
transport processes.
(e)PowerPoint slides illustrate field methods and technology, and
take students on virtual tours of interesting study areas and field
problems.
(f)Complete answers to the exercises (about 150 pages) only available
to instructors.

Here are a few useful links of the book:

http://www.wiley.com/college/schwartz

http://members.cox.net/ground-water/index.html

A college instructor can request a free copy of the book from Wiley.

Thanks,

Hubao Zhang