books.google.com - The fascinating inspirations behind common inventions and creations- from Barbie to Sweet and Low to Mt. Rushmore. The slinky was born aboard a World War II ship. The Barbie doll was inspired by a German sex toy. Weight Watchers began with a Jewish housewife in Queens, New York. Eureka! explores...https://books.google.com/books/about/Eureka.html?id=IvRg_38ToLQC&utm_source=gb-gplus-shareEureka!