Seven secrecies to write a book which is sold

It is a thing to write a book, it is an entirely different thing to write one which is a saleable product, viable, marketable. To ensure the success of a book is something even as the largest editors never could guarantee. The circumstances, instantaneous tendencies, and the events of the world will affect all the preferences of purchaser. That says, it there has motionless manners with the power the sale-factor in your favour and here is how you do it.
1. Know your readers. We are not to speak simply if your readers are male or female.