This textbook is the required reading for the core curriculum course.
Prentice Hall Reference Guide to Grammar & Usage Updated MLA 2003, Fifth – GOOD
What stands out about this unbranded textbook is its practical examples.
Prentice Hall Reference Guide – Paperback, by Harris Muriel – Very Good
You will find that this textbook is easy to carry around between classes.
Prentice Hall Reference Guide to Grammar and Usage, Without Exercises by Muriel
You will find that this textbook uses real data sets for exercises.