I have searched lightly for this issue but I would like to completely clear my workbook and start over, is this something simple I'm passing up?
Let me see - we may not have this feature implemented yet.
Question for you to help me understand this better - why would you want to do this? to reset the stats or ?
Questions without OA are automatically labeled as wrong if no official answer is provided; in that case, for example, being able to delete all those questions would be useful to have a clear view of real stats.