Theodore W. Gray

• The Elements
• The elements
• Molecules
• Engines
• Theo Gray's mad science experiments you can do at home but probably shouldn't
• Molecules
• Exploring mathematics with Mathematica
• The beginner's guide to Mathematica, version 2
• The Photographic Card Deck of the Elements
• Beginning Guide to Mathematica, Mathematica Quick Reference and Spreadsheet Physics Bundle for the University of Houston
• Los elementos / The Elements
• Mathemtca Quik Ref&Begnn