Modern biology / by Truman J. Moon, Paul B. Mann and James H. Otto. Biology for beginners Moon, Truman Jesse, Biology. QH308 .M6 1956 574 MOM 1921 ed., by T. J. Moon and P. B. Mann, published under title: Biology for beginners. Includes bibliography. New York : Holt, c1956. c1956. 1956 Text x, 757 p. : eng The Holt science program