This monumental, profusely illustrated volume by two noted authorities is probably the largest single collection of data on the subject of pearls. Its enormous amount of detailed information covers their origin and history, structure, and form; the pearl fisheries of Asia, Africa, Europe, and the Americas; fascinating facts and lore on pearl-culture and pearl-farming; the gem's mystical and medicinal properties; famous pearl collections around the world; and much more. Over 180 illustrations enhance the highly readable text, sure to intrigue any lover of gems.

Need help with your iPad Air? The Guide to the iPad Air organizes the wealth of knowledge about the Fifth Generation iPad into one place, where it can be easily accessed and navigated for quick reference. This guide comes with countless screenshots, which complement the step-by-step instructions and help you to realize the iPad's full potential. The Guide to the iPad Air provides useful information, such as tips and tricks, hidden features, and troubleshooting advice. You will also learn how to download FREE eBooks and how to make video calls using FaceTime. This guide discusses recent known issues and solutions that may be currently available. This information is constantly revised for a complete, up-to-date manual. Help is here