if there are no rules on what books you can choose, i always just used to make a book up, usually a biography, and then its like writing a biography, its real easy... just do one on like 'Derek Jeter'... its real easy to find info on him.
Dude. it's not hard to find a book over 250 pages long.
It's getting to the point where half this website will get out into the workforce one day and get posed with a business problem and have to immediately ask NS for advice.