Who knew that such little dogs can be such BIG helpers? Well, their hundreds of thousands of masters certainly know. Here is photographic proof that chihuahuas are able and eager to perform an array of everyday tasks. 101 full-color images reveal their innate abilities as back seat drivers, home security alarms, lawn fertilizers, garbage disposals and more. This is the ninth edition in Willow Creek's best-selling "101 Uses" series.