DK Super Readers - Level 3 - Animal Defenses This level 3 reader is filled with amazing ways animals defend themselves from predators. Learn what animals sting, poison, roll away, use camouflage, claws or vomit to defend themselves. Kids will love to find out about some of the world's stinky, slimy, shocking and invisible animals! Paperback, 48 pages. Recommended for ages 9 to 12 years old.