Hints
Book of Beast - Riven Tips, Hints, and Walkthrough, Calyxa's Cartography, gameguides.com Game Guides, Riven Expedition, The, Riven Help Pages List, Universal Hint System Hints
Reviews and Previews
Adventure Collective, Apollo Leisure Guide, ChristianityToday, Computer Games Online, Courier-Journal: Riven Weaves Its Spells and Captu, Epinions.com (PlayStation version), Fort Worth Star-Telegram, Game Revolution, GameSpot Review (PC), GameSpot Review (PlayStation)
Book of Beast - Riven Fun Stuff
Easter eggs, alternative endings, missing movies, and fun observations about Riven.
Jim Stephenson's Riven Unofficial Home Page
Information about Myst, Riven, realMyst, Myst III: Exile, Project Mudpie, and other Cyan-related projects.
Nitpicking Guide to Riven
A catalog of errors in Riven, including minute background details.
Riven Unofficial Home Page
News, walkthroughs, hints, information and galleries of game images.