
Maps on File
1985
ISBN 9780816034529
Guinness Book of Answers
1991
ISBN 9780816027088
Geography on File
1991
ISBN 9780816021321
African-American History and Culture
1999
ISBN 9780816038985
The Guinness Book of Records, 1991
1990
ISBN 9780816024391Business Forms on File Update
1998
ISBN 9780816038213