Go Ask Alice Resources
Websites
Beatrice Sparks doesn't have a website, but one person has built an entire website about the book anyway, so click on through for all things Alice.
Movie or TV Productions
Guys, they made an after-school-special movie that is totally faithful to the book… and it has a young William Shatner.
Articles and Interviews
This guy just sounds like a really disgruntled, under-published author, but he still has some really good points.
Or, an in-depth exploration of Beatrice Sparks's work.
Video
You can watch the entire made-for-TV movie here.
Audio
Here's the trippy song that Sparks got her title from.
Images
This illustration has Alice from Through the Looking Glass, with lyrics from Jefferson Airplane, in reference to Go Ask Alice. Cool.
… then you'd make a movie-of-the-week about a fake diary.