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

"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: 56JPY7000LHU_ns
Condition: Acceptable
Author/Artist:Taylor, Barbara
Binding: Paperback
Note: Any images shown are stock photographs and product may differ from what is shown.
Condition Notes: Readable copy. Pages may have considerable notes highlighting. May have varying covers. Fast Shipping - Mailed in plastic mailer!