The Stone Monkey
Pocket Books, 28 January, 2003.

Journey to the West (4-Volume Boxed Set)
Foreign Language Press, 01 January, 2001.

The Complete Adventures of Curious George
Houghton Mifflin Co, 25 September, 2001.

Monkey Business: Swinging Through the Wall Street Jungle
Warner Books, April, 2001.

Nutrient Requirements of Nonhuman Primates revised ed.
National Academy Press, September, 2002.

Caps for Sale: A Tale of a Peddler, Some Monkeys and Their Monkey Business
HarperTrophy, September, 1987.

The New Adventures of Curious George
Houghton Mifflin Co (Juv), October, 1999.

The Monkey's Raincoat
Bantam Books, April, 1992.

The Pictorial Guide to the Living Primates
Pogonias Pr, August, 1996.