Butterflies have been flying around our planet for more than 50 million years, and today around 20,000 different species inhabit the globe. NATURE: Sex, Lies and Butterflies follows their lives from egg to caterpillar to chrysalis to the emergence of the full-blown, winged creature. Explore their astonishing survival techniques, including 360° vision, deceptive camouflage, chemical weaponry and fantastic flight. Through sophisticated macro-filming, look beyond the butterflies' bright colors and fragile beauty to follow them on one of the greatest migrations on earth. 60 minutes on one disc. Paperback BOOK: Kaufman Field Guide to Butterflies of North America The most user-friendly butterfly guide ever published, still handy and compact. - Includes color plates of Mexican-border rarities - More than 2,300 images of butterflies in natural poses - Pictorial table of contents - Convenient one-page index - Range maps on text pages NOVA: The Incredible Journey of Butterflies Every year, 100 million monarch butterflies set off on an incredible journey across North America. These beautiful creatures fly 2,000 miles to reach their remote destination: a tiny area high in the mountains of Mexico. Yet scientists are still puzzling over how the butterflies achieve this tremendous feat of endurance-and how, year after year, the monarchs navigate with such hair's-breadth precision. 56 Minutes on one disc.