1.) The "New How it Works," this is actually an encyclpedia-type set that literally shows how anything works. 2.) American Headlines (1776- 1984) If you want to relate to certain events in US History. 3.) Find It Fast (How to uncover expert information on any subject fast.) 4.) The Complete Directory to Prime Time Network TV Shows (if your characters are known to watch tv, etc. Good cultural references here.) 5.) Panate's Extraordinary Origins of Everyday Things (Great for background on almost anything, such as the origins of Halloween, the Vacuum Cleaner, whatever.) 6.) The Modern Man's Guide to Life. (Great for about everything a man might want to know.) 7.) Be Your own Detective.