A female black widow spider is so small it could sit on a quarter, but don’t let its size fool you. These tiny spiders are producing a powerful venom inside their bodies. Just one bite packs enough venom to make a person really sick, and sometimes it’s enough to be deadly. Striking photographs allow readers to get up close to these dangerous creatures while also helping them to identify the spider it’s best to avoid at all costs. Fact boxes share additional information and the fun narrative will keep readers coming back for more.