TY - BOOK AU - Pène du Bois,William TI - The twenty-one balloons SN - 014240330X (pbk.) AV - MLCS 2006/44389 (P) U1 - [Fic] 22 PY - 2005///, c1947 CY - New York, N.Y. PB - Puffin Books KW - Ballooning KW - Juvenile fiction KW - Hot air balloons KW - Fiction KW - Historical fiction KW - gsafd N1 - Originally published: Viking Press, 1947; Originally published by Puffin Books, 1986 N2 - Three weeks after leaving San Francisco in a balloon to fly across the Pacific, Professor Sherman is picked up in the Atlantic clinging to wreckage ER -