Devils Tower & I Devils Tower National Monument, September 2003
Devils Tower was protected by Theodore Roosevelt in 1906 as America’s first National Monument. (via Robby Edwards)

The Cathedral Group Grand Teton National Park, September 2003
The Cathedral Group is the name given to some of the tallest mountains of the Teton Range. In this photo, I believe, the peaks of Grand Teton, Mount Owen and Teewinot can be seen. (via Robby Edwards)

Unlike a Potter film or computer game, the authors of the Lexicon encyclopedia are not simply moving Potter to another medium. Their purpose, rather, is providing a reference guide with description and discussion, rather like a very long and detailed book review. Such guides have been around forever—centuries if you count the Bible, and more recently for complex works like the writings of Jorge Borges or The Lord of the Rings. As long as a guide does not copy the original work verbatim, it falls outside the category of “adaptation.” And that’s why it is largely unnecessary to discuss the more complex copyright doctrine of “fair use.” Rowling’s rights over the guide don’t exist to begin with, so we don’t need to go there.

I shouldn’t have to say this, but here goes: suing people is like going to war. If you’re going to go to war with tens of thousands of your customers every year, don’t be surprised if they start treating you like the enemy.