Very interesting thread. Thank you all for your thoughtful questions and responses.
Hilary, if you're still looking for a Reader app for Android, I have FBreader and just installed Moon+ Reader. Both good and easy enough to figure out.
If you want more info on reader apps, check the sticky thread in the Android forum here:
https://www.mobileread.com/forums/showthread.php?t=70921.
MasterTec, thank you especially for sharing your experience.