Description
Item Description:Third edition Cf. pref. (p. v).
Physical Description:viii, 312 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references and index.
ISBN:0865712123 (Philadelphia, Pa. : bound)
0865712131 (Philadelphia, Pa. : pbk.)
1550921649 (Gabriola Island, B.C. : bound)
1550921657 (Gabriola Island, B.C. : pbk.) :