BOOK111 - Modern Arboriculture, Touch Trees - A. Shigo
Tree Anatomy by Alex Shigo
Modern Arboriculture: A Systems Approach to the Care of Trees and Their Associates: Alex L. Shigo: 9780943563091: Amazon.com: Books
100 Tree Myths by Alex Shigo, the man that took down our fallen tree recommended this book & Mr Shigo highly. Also the Boy Scouts for studying trees.
Tree Pruning: A Worldwide Photo Guide by Alex L. Shigo http://www.amazon.com/dp/0943563089/ref=cm_sw_r_pi_dp_FNK7ub0X7F09E
Tree Basics: What Every Person Needs to Know About Trees by Alex L. Shigo - $24
A New Tree Biology: Facts, Photos and Philosophies on Trees: Alex L. Shigo: 9780943563046: Amazon.com: Books