Mr. Popper’s Penguins by Richard and Florence Atwater, 1st Scholastic paperback printing, TX571, 1964, 128 pages. Illustrated by Robert Lawson.
DESCRIPTION:“It was hard enough for Mr. Popper to support himself, Mrs. Popper, Bill and Janie Popper. The addition of twelve penguins to the family made it even harder. Then Mr. Popper had a splendid idea. The penguins might support the Poppers. And they did.” (from the back cover)