This semester, I am taking two English classes and a Social Studies Education class. Looking at my style guides and manuals, I realized everything I had was out of date.
Over on Amazon.com, I got a great deal on Kate L. Turabian's, A Manual for Writers.
Older editions helped me through countless term papers and research assignments. I figured for less than $20 I should invest in a newer edition. Any edition is helpful, but my old one was stained up, dog eared and in generally loved, but poor condition.