Debugging
Debugging book by David Agans
9 indispensable rules for finding even the most elusive software and hardware problems
\1. Understand the system \2. Make it fail \3. Quit thinking and look \4. Divide and conquer \5. Change one thing at a time \6. Keep an audit trail \7. Check the plug \8. Get a fresh view \9. If you didn't fix it, it ain't fixed