They Call Me "Mr. De": The Story of Columbine’s Heart, Resilience, and RecoveryEbookThey Call Me "Mr. De": The Story of Columbine’s Heart, Resilience, and RecoverybyFrank DeAngelisRating: 3 out of 5 stars3/5Save They Call Me "Mr. De": The Story of Columbine’s Heart, Resilience, and Recovery for later