@ Ouma - Proffesor kitu gani? This is a blog!!! SK is composed of Doctors,Lawyers,Judges,Military personnel,Police officers,Pastors,Ex-Convicts,Sukuma etc. etc. Imagine if we all started using names like Dr. Kioko,Chief Inspector Makori,Brigadier Omari,Dr. Apsotle Bishop Honourable Mrs. Kamangu!
What's the title supposed to achieve? Is it supposed to add some weight to your post? If so,then answer the question you have been asked. You are a proffesor of what? You might be a professor of weeds (read Horticulture) and still stamp your 'authority' on a nuclear physics related post with the title prof. Nini hii???
Never count on making a good sale. Have the purchase price be so attractive that even a mediocre sale gives good returns.