Get a comprehensive, in-depth introduction to the core Python language with this hands-on book. Based on author Mark Lutz’s popular training course, this updated fifth edition will help you quickly write efficient, high-quality code with Python. It’s an ideal way to begin, whether you’re new to prog...

CLICK HERE to download a sample• The official navigation textbook used in outdoor education courses by thousands of students • Goodreads.com readers rated the previous edition 4 out of 5 stars (and now it’s even better!) • Map and compass skills remain the foundation for traveling safely in the wild...

Looking at the technology all around us-and then explaining how it works, the How Things Work Encyclopedia lifts the hood of a car engine, gets inside a TV set, and discovers the power of invisible microwaves. With close-ups, cutaways, and diagrams bringing the technology to life, and timelines illu...

Have you ever wondered what to do when you meet an alien? Want to know the top ten hiding places if you're on the run? Or how to create the perfect beach day in your backyard? Find out in this jam-packed guide to life by Phineas and Ferb featuring tips, activities, and the show's trademark wacky hum...

From a racing master, all the knowledge you need to make your boat go faster and safer in any condition In Performance Sailing and Racing, Steve Colgate explains how to improve your sailing and push your boat to higher but safer speeds. He shows you how get your boat to perform as it was designed--w...

Dave Perry's 100 Best Racing Rules Quizzes highlights specific aspects of the racing rules in an enjoyable format designed to help you become much more familiar with The Racing Rules of Sailing. Increase your knowledge of the rules and your racing will improve dramatically as you gain greater confid...