books by author
Helicon Books
The Hutchinson Almanac 1999 (Helicon history)
Science Desk Reference (Helicon science)
The Hutchinson Dictionary of Computing, Multimedia and the Internet
Hutchinson Encyclopedia 2000: Millennium Edition (Helicon general encyclopedias)
Dictionary of Science (Helicon science)
The Hutchinson Factfinder (Helicon general encyclopedias)
