Marvin Grosswirth

No biography available.

Works (5)

Cover of The Mensa genius quiz book

The Mensa genius quiz book

Cover of Match wits with Mensa

Match wits with Mensa

Cover of The Mensa genius quiz book 2

The Mensa genius quiz book 2

Cover of The Mechanix illustrated guide to how to patent and market your own invention

The Mechanix illustrated guide to how to patent and market your own invention

Cover of The Mechanix illustrated how to patent and market your own invention

The Mechanix illustrated how to patent and market your own invention