You'll read three true stories of amazing animal heroes. First meet Lilly, a playful pit bull who bravely pulled her owner from the path of a speeding train; two pods of dolphins that saved swimmers from the most powerful predator on the planet; and two gorillas that proved just how alike apes and humans really are. Follow along on their incredible adventures as these awesome animals save the day!

Imagine . . . you're in the woods after dark. Eerie green lights appear in the distance. Then there's a sudden flash and everything is dark again. You decide to take a closer look. You come upon a saucer-shaped craft hovering silently just above the ground. You reach out to touch it, but the object suddenly shoots up into the sky. Have you just seen a UFO? Some people say they have had experiences like this. Are they telling the truth? To find out,...