Although they're small, black widows have venom about 15 times more powerful than that of a rattlesnake! With their distinctive black bodies and red hourglass shape on their abdomens, black widows send chills down the spines of those afraid of spiders and their poisonous bites. Readers learn all about these fascinating creatures in this volume, such as where they live, what they eat, and what they use their venom for. Graphic organizers and fact boxes guide readers through the world of black widows, and full-color photographs present a close glimpse at these creepy crawlers!