All cats--from mountain lions to housecats--have amazing night vision. Why do they need it, and what adaptations in their eyes make it possible? Readers find the answers to these questions as they explore the science behind cats' superpowered night vision. They also discover other animals that can see well in darkness, such as owls and giant squids. Fun facts about these animals and a detailed graphic organizer touch on a variety of science curriculum topics, and colorful pictures make learning about these topics engaging for readers.