National Geographic Primary Readers pair magnificent National Geographic photographs with engaging text by skilled authors to help your child learn to read. Developed by education experts, this series of books for beginner readers is spread across four levels: Early Reader, Becoming Fluent, Becoming Independent and Independent Reader. Did you know that a tiny golf ball-sized creature called the blue-ringed octopus contains enough venom to kill 26 adult humans? Or why the Sydney funnel web spider is one of the most dangerous creatures in the world? In this National Geographic Kids Level 4 Reader, children will be fascinated by 12 species that you hope you'll never come across! Sharks, snakes, jellyfish and more - these creatures are among the most threatening - and interesting - in the world! show more