As a firm believer in KISS (Keep It Simple, Stupid) philosophy, I liked this article by Alan from The Press Box Analysis talking about why Less is More with regards to playbooks.

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3-4 Beau: Designed to pressure from outside in or cover depending on the desires of the defense. 4-1 Dime: Designed to pressure the passer and cover outside routes. 4-2 Nickel: Designed to pressure A-C gaps while covering outside and deep routes. 4-3 Base: Designed to pressure A-C gaps or cover zones base on needs of the of defense.
2001 LSU Defense 2008 Alabama Defense Not much has really changed in the last 15+ years - it is a concise defensive system to address everything an offense can present (you should be able to pick up on how Saban really only treats a few personnel / formations and everything else stems from that).

Chris from Smart Football withWhy Every Team Should Install its Offense in Three Days. The Air Raid offense is really tremendous from the standpoint of having as few plays as possible to attack every area of the field and to complement the other plays in its system.

Tony Demeo article onInstalling an Offense - Year One

A good article on the methods of memorizing playbooks by NFL players here.

Eric Winston, Houston Texans OT, had a good quote in this ESPN article about the size of playbooks:

'I've always wondered why coaches preach 'execution, execution, execution' and have 500-page playbooks. It's hard for those things to coexist.'

Also, I am working on revamping the site and updating all of the files (long overdue).

Nick Saban Defensive Playbook Pdf Download

Links

Deuce with Defense...The Basics. He also talks about some good ideas in installing a defense.

Nick Saban Defensive Playbook Pdf Free

The Press Box Analysis with good quotes from college coaches in his article What's the No. 1 stat that separates winners and losers in CFB?.

Coach B Dud with OL videoshere.
Football Coach Academy with7 Elements Important to Building a Successful Program by Bob Stoops.
Brophy with the hook-up: Bama post with Nick Saban's 2009 defensive playbook.
Blitzology with Blitz of the Week #17.

Nick Saban Defensive Playbook Pdf Download

Nick Saban Defensive Playbook Pdf Free

Football Defensive Playbook