E-Myth Revisited is one of my favorite business books. It covers the essential topic of making it a point to work on your business, and not just in it. In the words of my dad, don’t let the urgent things get in the way of the important things.
This top 10 list is a good start for getting out of the day-to-day grind of your business, and start thinking about it strategically. http://www.e-myth.com/cs/user/print/post/top-10-holiday-gifts-for-a-technician