Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The Pre-eminent Reference on Azaleas

Fred Galle, is an internationally known azalea expert and past president of the American Horticultural Society (he died 7/26/98 at the age of 79). First published in 1985, "Azaleas" is now in its third printing and is still considered the best reference on the subject and was recently listed by the AHS as one of the 75 Great American Garden Books. This is a reference book that no azalea enthusiast should be without.