Originally Posted by jackie_w
If you're feeling brave and you can use a text-editor, you can edit this "history" in your Calibre config directory.
[Preferences] - [Advanced] - Open Calibre config directory
The relevant file is history.plist
If you're careful you can remove the entries you don't want.
*** Backup the original first ***
P.S. I hope I'm not speaking out of turn.
jackie....no, you're not at all out-of-turn as far as i'm concerned. your solution was perfect and much appreciated. by the way i used notepad++.