The computer won’t work. Before you pick up the phone or take it to the nearest repair shop, use this book. It could save you hours of frustration, not to mention money and lost days of work.

In an easy-to-follow format, it deals with everything from everyday problems to major disasters. It also recommends ways to avoid trouble, from firewalls to dealing with phishing. A check list and avoidance tips will ensure that even if you’re a beginner, you’ll have a solution at your fingertips.