Official Sites:

Official Harry Potter Movie Site
The official Warner Bros. site for the Harry Potter movie.

Scholastic - Harry Potter Books
The official site for the Harry Potter books, from their US publisher.

Pages on RTM:

Harry Potter and the Order of Phoenix
A January 2003 news post announcing the June 2003 release date of the fifth Harry Potter novel.

Harry Potter Levitating Challenge Game
The Raving Toy Maniac takes a look at the Levitating Challenge Game, with lots of pictures and a video of the game in action.

Harry Potter Action Figures
Official pictures of the "Wizard Collection" and "Deluxe Creature Collection" action figures in the Harry Potter series from Mattel.

Professor Dumbledore with 2 Right Arms?
An explanation from Mattel about why the Professor Dumbledore action figures appear to have two right arms.

Harry Potter LEGO Sets
A press release with details about the 11 Harry Potter sets from LEGO.

Elsewhere on the Net:

Harry Potter - Toy Fair 2001
A report from the February 2001 New York Toy Fair, with pictures and info about the Harry Potter toys due out in 2001. (From both Mattel and LEGO.)

All About Harry
From the About.com Collectibles site: a summary page for Harry Potter collectible items. Has an online jigsaw puzzle and printable gift tags.

Harry Potter Plus
From the About.com Children's Books site: information on the Harry Potter controversy and lists of recommended reading for people who like books similar to the Harry Potter books.

Lugnet.HarryPotter
A discussion forum for Harry Potter LEGO products. Read it on the web or subscribe and have it delivered to your email address.

Unofficial Harry Potter Fan Club
An unofficial fan club with site links and information about Harry Potter news.