The following is merely a list of some of the many sources of books you'll need for college courses. It is not definitive and isn't intended as a recommendation. They are listed in alphabetical order.
Links from this page to non-Coast Guard sites are provided as a customer service and do not represent any implicit or explicit endorsement by the United States Coast Guard of any commercial or private issues, products, or services presented there.
And if you're looking for a hard-to-find book, try BookFinder.com.
The TraCen Education Center also has a binder full of SparkCharts Quick Reference Guides on all the subjects listed below. You're welcome to use these in the Education Center or make copies to take with you.