EMS Field Guide ALS version, 16th ed., Informed, 2006
The 16th edition is NO LONGER available.
The 17th edition is now available at the same price: EMS Field Guide ALS version, 17th ed. (6/2008), Informed, 2008. 3" x 5", spiral-bound, 161 pages, ISBN: 978-1-890495-39-8, BE2735 / $21.95