The whole process has been so absurdly difficult, it's no wonder the librarians don't know how to help patrons!
I've gotten to the point where my book appears in a Adobe Digital Editions window, but then it won't let me copy it to my eReader. I downloaded the book after signing in with my Adobe ID. Here's the dialog:
I'm in Windows 7 and using the OverDrive library through my county library. If anyone knows why I'm stuck, I'm all eyes. Thanks!