I Wonder Why Zippers Have Teeth: And Other Questions About Inventions - 9976

"What did people use before they had refrigerators?" and "Where do inventors get their ideas?" are some of the questions answered in this intriguing look at inventions.
ASIN: 0753456656
VSKU: RDV.0753456656.G
Condition: Good
Author/Artist:Taylor, Barbara
Binding: Paperback