And Tango Makes Three by Justin Richardson and Peter Parnell illus by Henry Cole (4-8yrs)

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 got the chance to welcome a baby penguin of their very own.