There are books. But considering how much information is now at the tip of your fingertips on the net purchasing them is kind of a waste of money. Here's a link to the Indoor Marijuana Horticulture Bible By Jorge Cervantes (its a preview so you get to check out 100+ pages of the book).
Indoor Marijuana Horticulture By Jorge Cervantes
If you wan't a book on marijuana I would go out and buy a High Times and buy them every month
lots of eye candy & occasional very usefull information. Can be purchased at almost any book store (probably not wally world or MJers
)
High Times (just so happens Aug magazine will have 2009 GUIDE TO THE WORLD'S BEST POT SEEDS.