Alpha Animals Game Take the plunge and learn about the animal kingdom. America’s Endangered Species: Don’t Say Good-Bye   (video) River otters share the limelight with other threatened animals, from sea to shining sea. Animal Kingdoms: Wildlife Sanctuaries of the World  (book) Otters and other magnificent animals share the wealth of wilderness found in preserves around the world. At the Zoo  (kids book) Kids, go behind the scenes at a modern zoo, where animals play, splash, hide, and more! The Company We Keep: America’s Endangered Species  (book) This stunning photographic portfolio features range maps and habitat descriptions for featured species. National Geographic’s Guide to Wildlife Watching Look no further to find out where to see river otters—and lots of other animals—across the U.S. Really Wild Animals: Amazing North America  (kids video) Think otters are really wild? Check out other free spirits in this action-packed kids video. WORLD Magazine for Kids Our kids’ monthly offers a world of wildlife, geography, adventure, and science—plus fun features and games!