""How Plants Are Trained To Work For Man V8: Trees, Biography, Index"" is a book written by Luther Burbank and originally published in 1921. This volume is part of a larger series of books that explore Burbank's pioneering work in horticulture and plant breeding. The focus of this particular volume is on trees, and it provides a detailed account of Burbank's research and experimentation with various tree species. The book also includes a biography...