Twentieth-century InventorsUnknown - 1991
Part of a series for 10-year-olds and upwards, which presents American history through the lives of its most influential and significant figures, this book covers 11 important 20th-century American inventors whose achievements have greatly contributed to contemporary American life.
Publisher: New York : Facts on File, 
Copyright Date: ©1991
Branch Call Number: J 609.22 Aas
Characteristics: xii, 132 pages : illustrations ; 24 cm.
Alternative Title: 20th century inventors