Bachelor cum laude, Middleburg College, 1964. Master of Arts in Teaching, Harvard University, Cambridge, Massachusetts, 1968. Master of Library Science, U.Md., College Park.
Teacher English Oyster Bay High School, New York, 1965—1967, Panahou School, Honolulu, 1967—1970. Education specialist Mitre Corporation, McLean, Virginia, 1971—1972. Training specialist Internal Revenue Service, 1972—1975.
English teacher Montgomery College, Rockwell, Maryland, 1976—1980, University Maryland, College Park, 1985—1991. Program chair Washington Childrens' Book List, Washington, 2000—2002. Reviewer Booklist Magazine, Chicago, since 2004.
Volunteer Wahington National Cathedral, Washington, since 1993.
Member of Washington Children's Book Guide.
Married Wallace Koon Leong Ching, October 13, 1971. Children: Alexander, Andrew, Christina.