Du Bois, William Pène, 1916-

The twenty-one balloons, written and illustrated by William Pène Du Bois. - New York, The Viking press, 1947. - 5 p.l., 3-179, [1] p. incl. front., illus. 24 cm.

"First published ... April 1947."

LCCN: 47002533

LC Class. No.: PZ7.D8527 / Tw