Here is a 40 page book published by Treasure Chest publications in 1979 by author Edgar Heylumn PhD. This is a comprehensive guide with pictures maps and detailed information about the Catalina mountains of Tucson. It also displays the plant and animal life to the area area. There are also detailed hiking maps of trails in the lower and upper elevations.If you are interested in this rare book please Call no text 5 2 0 3 5 1 2 8 3 9