A few Coaching products I can recommend:

Defensive Back Training
This Site Is Geared For High School Football Players,coaches & Parents Who Want To Learn The Position Of Defensive Back. Videos, Articles, Forum And Phone Interviews With Former Nfl Players Are Shared On This Site. Attitude, Fuel, Movement, Coaching.
Defensive Back Training

Coach Marty Stern’s Secret To Running Faster
New 72-page Ebook Details An Exact Speed Training Program Proven To Make Any Athlete Faster And Quicker, In An Easy To Understand Format.
Coach Marty Stern’s Secret To Running Faster