Thanks for the responses everyone! I haven't entered the world of ISA yet but apparently that is the direction I need to take. How good are their online courses? Also I've read about Gilmans book but that is a pretty penny, should I invest in that over Shigos?
Hey guys! Thanks in advance for all the answers I've already recieved from these forums! Anyway, I'm a relatively new climber looking to invest more into arboriculture and was wondering what the best books/ DVDs/ online courses are for beginners. I'm somewhat experienced with climbing but very...