Flower Wisdom: The Definitive Guidebook
Trees: The definitive pocket guide to tree and shrub identification for nature lovers (Collins Gem)
The Timber Press Guide to Succulent Plants of the World: The Definitive Reference to More Than 2000 Species by Fred Dortort (2011) Hardcover
The Dry Garden: The definitive gardening book for minimum watering
The Bonsai Beginner's Bible: The definitive guide to choosing and growing bonsai (Octopus Bible Series)
The RHS Encyclopedia of Gardening ~ The Definitive Practical Guide to Gardening Techniques, Planning & Maintenance, & to Growing Flowering Plants, Fruits, & Vegetables (Royal Horticultural Society)