00690cam a2200217 4500 243223012 TxAuBib 20010726120000.0 010726s1999||||||||||||||||||||||||eng|u 9780767901765 0767901762 TxAuBib Keen, Sam. Learing to fly: Trapeze-reflections on fear, trust and the joy of letting go [PBK]. New York, NY : Broadway Books, 1999. 244p. 20010726. Aerialists-biography. College teachers-biography. Acrobatics-psychological aspects.