This page has over 50 links to Myst/Riven sites. The best links source around.
G. F. Currie's Links Site
 
 
The Ryven Lyst. It's a mailing lyst about Riven.

 

The Official Site. It's okay, but isn't that good. Worth the look, though.
 Official Riven Site
 

The Riven Journals. A great way to pratctice your puzzle-solving skills before playing Riven.
 The Riven Journals
 

The official site of the Publishing Company.
 Red Orb