Firsts, the magazine specializing in the book collecting, has a very good description of collector's terms for collectible books.
Collecting Terms
This article gives a good overview of the first editions books and points out numerous reasons for collecting first editions books or those close to the first editions.
The What and Why of First Edition
This article gives a very good description of how to properly shelve rare books. It also covers the effects of such natural elements as direct sun, water and humidity.
Protecting my Investment - Shelving
This article provides reasons for protecting your books as an investment against losses.
Protecting my Investment - Insurance
Information Related to Children's Books in
Dust Jackets.