Introduces bioluminescence in animals, describing how and why certain animals emit light.

Why be afraid of the dark when there is so much to see? Whether its used to hunt, hide, find a friend, or escape an enemy, bioluminescence the ability to glow is a unique adaptation in nature. In this fun and fascinating nonfiction picture book, join world renowned photographers and biologists on their close encounters with the curious creatures that make their own light.

"From fish to fireflies, some living things have a special ability--they can glow. Why do they glow? Is everything that glows bioluminescent? And what is bioluminescence, anyway?"--