Handle with Care by M.C. Questgend
Andrew is a young mail clerk trying to get ahead and move up the corporate ladder, but has a secret and that secret has been exposed. He now has to make some tough choices. Ignore the blackmailing threats and risk a promising career or give into them and risk the same thing. Find out how Andrew comes up with a third option and turns the table on his blackmailer.
This is Book #1 of 3 of the Handle With Care Collection