Books by Diagram Group.
Encyclopedia of Prehistory
2002
ISBN 9780816045471
The little giant encyclopedia of natural healing
1999
ISBN 9780806939483
Running Press Cyclopedia: The Ultimate Visual Reference Tool (Running Press Cyclopedia: The Portable Visual Encyclopedia)
2006
ISBN 9780762426799
Card & magic tricks
2008
ISBN 9781402760051
Logic Puzzles
1983
ISBN 9780345341938