Free Textbooks for your Perusal

Since most of my expensive undergraduate engineering and science textbooks, which were valuable reference materials, were destroyed when Hurricane Katrina flooded my apartment, I’m looking for replacements.

Specifically, I’m looking for freely available replacements on the Internet(s). Having found a free Linear Algebra book previously, I surmised that more must be available. I was correct. Here is what I’ve found so far:

Time for a coffee break. Apparently 7 hours and 50 minutes was not enough sleep.