Menninger, Edwin A.Fantastic Trees. Timber, 1995. Survey of unusual trees with strange habits such as changing sex, producing flowers and fruit underground, telling time, making noises, and creating their own rain.
Platt, Rutherford.1001 Questions Answered about Trees. Dodd, Mead, Reprint, Dover, 1959. 1992. Compendium of information about trees, presented in a question-and-answer format.
Thomas, Peter.Trees: Their Natural History. Cambridge University Press, 2000. A comprehensive book that covers all aspects of tree biology and ecology for a non-technical audience.