Originally Posted by Barty
It's in a hidden directory. You need to enable viewing hidden files and folders in Windows Explorer.
No, I don't think it's there on the Kindle Touch. I have my computer set to show hidden files, so I can see the system folder. When I open it, this is what's inside:
.assets (a hidden folder)
Search indexes (folder)
None of those folders have a reader.pref file in them.