Inside Zone Video

Zweifel's stuff is good in terms of why the zone and technique, George DeLeone has a new DVD out that combines all of his technique videos (4-5 tapes) into one DVD that though $99 is chock full of good drive, zone, pass and other line techniques.

I used it last year, loved it, and our base run game this year will be zone blocking. You need some backs with vision to see the cutback lanes, but it really simplifies life against multiple fronts.