For this, the author has made the American Library Association's 10 Most Frequently Challenged Authors" list. Beyond being banned, her work gets called stuff like "loathsome" and "the mental equivalent of toxic waste." One outraged parent says: “No wonder we have declining literacy and writing proficiency rates in this country!” The article says of the author:
the negative responses sting, and she’s loath to talk about them. …You can't be surprised by this, but can people actually believe that this is responsible for declining literacy? More importantly, will this "girla non grata" be tried as an adult in Word Court?
“I’ve stopped reading about my books on the Internet because it’s too hurtful,” she said. “People act as if I’m teaching children how to blow up cats."
Update, 10:05 am: Mark Liberman at Language Log (here) has explored another of the oddities in this piece that I didn't mention, the notion that phonics plays some role here. I should have mentioned that the article is filled with pretty odd views at almost every turn ("weird reactions to the book" was what I had in a spew draft of the post, actually).
And while you're over at LL, do have a look at Ben Zimmer's post on peevology … .