300 secret scrambled codes for you to break, each one a quotation from a philosopher like Sigmund Freud, Benjamin Franklin, Henry David Thoreau, Jean-Paul Sartre, and 26 more! Tips will get you started. "Bonus: Spectacular portraits of the philosophers. 128 pages, 30 b/w illus., 5 3/8 x 8 1/4.
- ISBN10 0806987847
- ISBN13 9780806987842
- Publish Date 30 June 1993
- Publish Status Out of Print
- Out of Print 24 January 2009
- Publish Country US
- Imprint Sterling Juvenile
- Format Paperback
- Pages 128
- Language English