"Thanks to the Internet, used books have become today's powerhouse, driven by price and the convenience of finding just about any title without leaving home. However, used books have become a threat to be reckoned with for booksellers across the country.

"We are becoming an endangered species," says John K. King, Metro Detroit's leading dealer in used and rare books and owner of John K. King Used & Rare Books. He was reacting to a study just released by the Book Industry Study Group (BISG), a national nonprofit research organization."

Read this article.