A few media buying products I can recommend:

Muscle Media: The Complete Guide to Buying Online Ads for Less
Find Out The Secrets For Buying Online Ads For Less! Muscle Media: The Complete Guide to Buying Online Ads for Less is packed with proven, powerful money saving ideas and ways to boost online ad performance (banners, Ppc, emails, newsletters, & more!).
Muscle Media: The Complete Guide to Buying Online Ads for Less

The Traffic Bandit – Media Buying Insider Secrets!
TheTrafficBandit is Scott Rewick’s Insider Secrets To Media Buying. Discover For Yourself The Exact Media Buying Strategies That Allowed An Industry Newbie To Bank Over Million In Profit In Just 2 Years.. An Irresistible Offer That Converts Like Crazy!
The Traffic Bandit – Media Buying Insider Secrets!