Book excerpt: Compiled by the author of Janes Air Forces of the World, this book is a must for aviation experts.In one volume the reader will find the composition and details of all air elements of a staggering 169 nations air forces and, where they exist, army air, naval air and such paramilitary organizations as the US Coast Guard Service.By definition such a book must be regularly updated and David Wragg has researched his subject right up to the minute. This latest book supersedes the authors early book in the Jane series.