Books for toning up?
There is so much free information on the Internet I don't think you should have to buy anything for what you want. A couple websites to check out
I recomend looking at the free programs they have on bodybuilding.com. Jim stoppani, kris gethin, and Jamie eason all have great programs. You will learn about nutrion and training through those programs.
Youtube has some great channels with awesome workouts. Check out
Mike Chang - six pack shortcuts
Fit media channel
6 packs in 6 weeks