Official book sites:

DarkTower IV: Stephen King's Wizard and Glass
Desperation
The Green Mile
The Regulators

Interviews

60 Minutes, Feb. 16, 1997
Nightline, Dec. 10, 1997

Misc

alt.books.stephen-king
alt.fan.authors.stephen-king
SKEMERs - Stephen King E-Mailers
Stephen King's Bloops and Blunders
Stephen King Information Site
Stephen King Library - book club