The Wild Kratts go in search of creatures that come out at night in this full-color storybook!PBS's successful animated show Wild Kratts joins the adventures of zoologists Chris and Martin Kratt as they travel to animal habitats around the globe.Along the way, they encounter incredible creatures while combining science education with fun.Boys and girls 4 to 6 can learn all about bats, owls, deep-sea creatures, and other animals that come out at night or live in dark.