Almost everywhere that humans settled-from the rain-soaked forests of Papua to the scorching Saharra Desert-widow spiders were there to meet them, equal parts beautiful and deadly. For beginners, experts, and everyone in-between, Widow Spiders of the World gives readers a safe window into the lives of some of the most feared animals on Earth, plus tips to avoid painful bites. With over 160 pages and 200 full-color illustrations, Widow Spiders of the World is the first complete illustrated field guide to all known species of widow spiders around the globe. This book includes detailed information about the life cycle, ecology, evolution, taxonomy, anatomy, and bites of widow spiders.