If you go to Timber Press and sign up for their newsletter, they send links for 30% off on some of their books and they have some terrific garden books. The one today I received has Dan Hinkley's new book on explorations for new shrubs and trees as well as a books on hellebores, daphnes, the new plant hunters' gardens and Armitage's annuals. Shipping is free for orders over $30.
You can also sign up for notification when new books are published, also with 30% off on those books, including the upcoming paperback publication of Tracy DeSabato-Aust's "Well Designed Mixed Garden." Some of you may have her "Well Tended Perennial Garden."