Riven Rock has 496 pages.
The Riven Kingdom has 592 pages.
Riven Rock was created on 1998-02-01.
Joris of the Rock has 325 pages.
Dragon's Rock has 160 pages.
Angel Rock has 320 pages.
The Rock Jockeys has 80 pages.
The Ghost at Skeleton Rock has 192 pages.
Fargo Rock City has 288 pages.
"The Rock of Tanios" by Amin Maalouf has 272 pages in its English translation edition.
Hard Rock Miner's Handbook has 314 pages.
In the book there are 140 pages exactly.
Riven happened in 1997.