Jane’s Information Group, Surrey, UK, 1993, 2^nd pr.  ISBN 0-7106-1042-4.  Oblong soft cover, 632 pages including Glossary, Test, and Index.  Good plus; illustrated wraps show edge and cover wear, creases; binding sound with spine slightly concave.  Some ink on fore-edge page block; interior clean and unmarked; black & white illustrations throughout.  ‘… provides rapid reference to more than 500 types of aircraft and helicopters flying in the world today.  Each of the main entries consists of a three-view silhouette, photograph and brief descriptive text, including dimensions.  In addition, there are sections on the basics of recognition, teaching the subject, aircraft and weapon designation systems, civil aircraft registrations, a glossary of recognition terms and sillograph training aids.’ (from rear wrap)