Archway/Pocket, New York, April 1972.  ISBN 0-671-29532-2.  MMPB, 182 pages including Appendix, Bibliography and Index.  Wraps have edge and cover wear, reading creases, age toning, ding at fore-edge of rear wrap with some discolouration; age spotting on outer page block primarily along top; binding tight with a slight skew.  Initials on verso of front wrap; faded water marks at top margin of last few pages; remainder of interior clean and unmarked with tanned pages, black & white photographs.  ‘”The dolphin is not dependent.  He is not subservient.  He lives with wonderful self-sufficiency in a kingdom of his own.  It is a kingdom he has unselfishly invited us to share.”  The author first met Dal and Suwa in the Florida Keys.  They are two bottlenose dolphins who live in a large and deep natural pool and love to play games with their human friends. … The author explores many facets of their behavior, including the intriguing possibilities of man-dolphin partnerships in the future.’ (from rear wrap)