This all-new 4th Edition (the 1st Edition came out in 1981) has been completely rewritten & updated, this time on a computer!  Since 1990 & the 3rd Edition, the author has traveled to east & southern Africa and islands in the Indian Ocean; northeast Africa, Yeman & Oman; the Caribbean twice; Central America & Mexico; Philippines & Japan; Southeast Asia; Indonesian again; Central and South Pacific; Mexico, Canada, the Eastern USA & Alaska; and 2 summers in republics of the former USSR in preparing & enlarging this book.  This 4th Edition’s direction is more on climbing  & guiding hikers to volcanos and histories of their eruptions.  In this respect it’s the only book of it’s kind in the world. 
The author has used a small library of recently-published travel, hiking and climbing guidebooks to update this edition, especially regarding new information on climbs he made in the 1970’s, or earlier.  In the North American part, he has telefoned all national parks & national forest offices for the latest situation as well.  Also included is a list of publishers & distributors of maps & guidebooks, and tele, fax, websites & email addresses.

1248 pages, 584 maps, 650 B+W fotos, perfect bound, water repellent color cover, 140mm x 215mm (5 1/2” x 8 1/2”) format, 5 cms (2 inches) thick. ISBN 0-944510-18-3.