Skillful predators of a miniature world, the 4,000 or so species of jumping spiders are as diverse as birds and in many ways, much like them. Among them we find the colors of a parrot, the eyes of an eagle, the swift strike of a falcon and the powerful leap of a roadrunner. Moreover, they communicate by gesture, form and sometimes sound. Using a scientists observations and a probing lens, Mark Moffett chronicles the fierce battles, intricate mating rituals and motherly love demonstrated by these unusual arachnids.