About the Author
| Blurbarian Since | September 2008 |
| Name | John Gill |
| My Web Site | www.johngill.net |
| Location | Colorado |
| Gender | Male |
| My Occupation | Retired mathematics professor |
| My Bio | A longtime boulderer and rock climber who has researched the origins of these sports. |
Books by this author
Browse Bookstore
Top Categories
Make a Book
