Arnold E., ( 1894). The light of asia. Boston: T. Y. Crowell. Primarily a beautiful poetic rendering of the life of the Buddha.
Rahula W. ( 1974). What the Buddha taught (2nd ed.). New York: Grove Press. An excellent next step for readers of my book. Rahula is a monk from Sri Lanka who presents the basics of Theravada Buddhism. The second edition also includes some important original sources.
Gethin R. ( 1998). The Foundations of Buddhism. New York: Oxford. A goodfollow-up to Rahula. Gethin describes the various Buddhist movements, from Theravada to Zen, along with many of the issues of modern Buddhism.
Thich Nhat Hanh. ( 1991). Oldpath white clouds. Berkeley, CA: Parallax Press. The life of the Buddha, and of a community of monks, as well as some of the teachings, all told as delightful stories.
Goddard D. (Ed.) ( 1938). A Buddhist bible. Boston:Beacon Press. A selection of readings from the various Buddhist groups. This and the next book are for those who wish to start reading original sources.
Walshe M. (Trans.) ( 1995). The long discourses of the Buddha. Somerville, MA: Wisdom Publications. One of the basic collection of sources central to Theravada Buddhism.