AZGS recently set up an online store at Amazon.com and now we have our first electronic book available for the Kindle.
"A Guide to the Geology of Catalina State Park and the Western Santa Catalina Mountains," (Down-to-Earth-12) [Kindle Edition], by John V. Bezy with photos by Larry D. Fellows can be purchased for only $1.99.
Watch for many more of the AZGS Down to Earth series to come out as e-books.