Hubbard, Col. Edward L. Escape from the Box - The Wonder of Human Potential. West Chester, PA, Praxis International, 1994. 160pp, illus, 6 x 9", dj. Very good. Inscribed by the author. Shot down in 1966 while on an RB-66 mission, Hubbard's book is part narrative and part inspirational to support his motivational speaking career.