Written By: Michael Lombardi Narrated By: Michael Lombardi Publisher: Random House (Audio) Date: September 2018 Duration: 8 hours 31 minutes CLICK HERE to Listen or Download Gridiron Genius: A Master Class in Winning Championships and Building Dynasties in the NFL by Michael Lombardi AUDIOBOOKS audio books free download mp3 Gridiron Genius: A Master Class in Winning Championships and Building Dynasties in the NFL | best free audio books Gridiron Genius: A Master Class in Winning Championships and Building Dynasties in the NFL | full length audio books free Gridiron Genius: A Master Class in Winning Championships and Building Dynasties in the NFL