“Back to basics!” How many times have you said that to yourself after you’ve allowed yourself to get distracted by some red herring during troubleshooting? Probably too often.
David Agans has a great companion website to his book Debugging: The Nine Indispensable Rules for Finding Even the Most Elusive Software and Hardware Problems. Be sure to check out the debugging poster and the list of other useful sites.
I’ve got his book added to my queue of things to buy in the next few months. It looks like a great addition to my bookshelf.