Mathemagic / [electronic resource] Raymond Blum ; illustrated by Jeff Sinclair.
Material type: TextPublication details: New York : Sterling Pub., 1992.Description: 128 p. : ill. ; 21 cmISBN:- 0806983558 (pbk.)
- 793.7/4 20
- QA95 .B52 1992
Includes index.
Originally published: New York : Sterling Pub., c1991.
Dozens of number tricks from easy to expert.
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