More than 600 million claim residence in households across six continents... and now they may have dethroned dogs as the most popular pet on earth.  An exterminator, fierce hunter and favorite companion - aloof and affectionate at the same time - the cat leapt out of the wood and adopted us on its own terms thousands of years ago.  But how did man and beast form their unconventional relationship?  From mummified cats unearthed in Egypt to bizarre genetic mutations discovered around the globe, National Geographic presents the latest scientific evidence to reveal how cats and people set off on a journey along the same road.This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.This product is expected to play back in DVD Video "play only" devices, and may not play in other DVD devices, including recorders and PC drives.