So the book on the far right is one I've worn out a few times over, and has helped me breed tomatoes, roses, collard greens, sweet peas, hell even rabbits lol. Thanks to her my cultivars have handled climates from zones 4 through 8, and soils of all types from clay to sand. Not to mention flavors most couldn't imagine The two on the left I recently picked up and began reading by dj short and Greg green for some insight into cannabis breeding. I got carols book back in 2001 and she layed out breeding concepts in a way that that idiots like me could comprehend So far...I think I'm going to stick with carol Are there better cannabis based publications or authors out there? Please stay civil and good hunting!