Thanks, everyone, I've now done all that. Now, can someone please explain how I can side-load a .prc file from my PC to the iPad as described in the original post?

...or to use File Sharing in iTunes to transfer your files to the Kindle app.

Where is the File Sharing feature in iTunes, PC version?

Originally Posted by zorah

The version of the Kindle app is located in the Info section lower righthand corner of the Home screen within the Kindle app. (i with a circle)
Just click on i>About, and there you go.

Thanks. I have version 2.5.

I think this must be a Mac-only thing. I deleted and re-downloaded the Kindle app into iTunes. It still says its release date is 3/4/2009.