A young child spots a jumping spider on her back porch. She keeps watch on the spider, recording its hunting, feeding, and mating activities in her diary. Readers will follow along as the narrator observes jumping spiders' behavior up close, including the development from eggs to babies through molting and becoming an adult spider. Colorful photos, diagrams, and clear, age-appropriate text will engage young readers as they explore the life cycle, natural habitat, physical characteristics, diet, and behavior of these incredible creatures. The diary format models scientific observation and critical thinking--and encourages children to keep notebooks recording their own investigations into the natural world.