When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If a disaster took away the high-technology we take for granted, would you be prepared to keep you family healthy?. Updated 4th Edition - First Published August 2021. ISBN-13 : 978-0988872509. ISBN-10 : 0988872501.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.