Tis Grace Thus Far: The Amazing Grace Story of Bobby Britt  Bobby Britt. Birmingham: The Bobby Britt Evangelistic Association, 2011. 242 pp. (Paperback). Alabama Baptists will certainly recognize the author and subject of “Tis Grace Thus Far,” evangelist Bobby Britt.  In it, Britt chronicles his life from a young child, sharing details from his often difficult childhood that included losing…