Spell check is vital for many people who, for one reason or another, have trouble with certain words. It wants to help you out: the problems only start when you use it as an excuse to avoid the necessary reread.
I decided to bring just one book, to act as a symbol of my monumental move (as a former Literature major, everything is symbolic to me). The one I chose was the newer edition of Strunk and White's The Elements of Style with beautiful illustrations by Maira Kalman.
Whether you're colonizing natives in the New World or trying to keep women down without actually having to do anything, it's always good to make the people you control feel that everything is their idea.