Quick Calculus: A Self-Teaching Guide Book

I was a math tutor for a few years and try to do a light review of calculus at least once a year. This book is easily the best I've found for that purpose. If you're rusty on the basics, the beginning will help you to identify your weaknesses. If not, you should be able to fly though this book in a few relatively painless afternoons. The author does a great job of taking you through problems step-by-step while keeping the instructions and explanations as clear and concise as possible, and if you want or need to get more involved with proofs, you have that option.

This book is available at my public library and it's probably available at yours, too. It isn't the newest, shiniest book on the block (this edition was first released in 1985), but calculus hasn't changed, and there's a reason this book has stuck around. It's superior to more recent, better known books (The ___ for Dummies series), and its relative obscurity, age, and unassuming appearance made it readily available to borrow. If you need it quickly and to renew it a few times, you shouldn't have any problems.