And Tango Makes Three by Justin Richardson

And Tango Makes Three is the bestselling, 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. Selected as an ALA Notable Children's Book Nominee and a Lambda Literary Award Finalist, this joyful story about the meaning of family is a must for any library. (School Library Journal, starred review).