Here is a short list of his books:
BEHEMOTH
THE NEW NOVEL!
The BEHEMOTH Website
The Brain Makers
From Here To There
The Book Of Chocolate
Abracadabra: The Story Of Magic Through The Ages
The Book Of Blood
Here There Be Monsters
This Will Kill You: A Guide to the Ways in Which We Go
The Way They Play Series
The Human Body: Invention & Impact
The Great Brain Book
Virtual Reality
Legends Of Rock Guitar
Music & Technology
For Boys Only
Yahoo! The Ultimate Desk Reference
The National GUITAR Museum.