Du Bois, William Pène <br/><br/>
The twenty-one balloons 
written and illustrated by William Pène Du Bois. 
 - New York  The Viking press  1967. 
 - 5 p.l.  3-179, [1] p. incl. front., illus. 
<br/><br/> "First published ... April 1947." 
<br/><br/><label>LCCN: </label>fel36001301  
<br/><br/><label>LC Class. No.: </label>PZ7.D8527  / Tw