4 - 8 years. A heartwarming true story of two penguins who create a nontraditional family. At the penguin house at the Central Park Zoo, two penguins named Roy and Silo were a little bit different from the others. But their desire for a family was the same. And with the help of a kindly zookeeper, Roy and Silo get the chance to welcome a baby penguin of their very own. Hardcover. 32 pages.