HOW TO READ A BOOK: The Classic Guide to Intelligent Reading
by Mortimer Adler and Charles van Doren
A Touchstone Book, (C) 1940, 1967, 1972

Comments: I skimmed this one, but will definitely read it in full sometime. Even if you think you know how to read--after all, you're reading this blog, right?--this is a must read book. Especially necessary for those who do tons of reading that is actually supposed to be remembered and understood. A definite classic!