Things you might include in your letter:Statements about your preference:I prefer to read printed books.I like to read e-books.I’d like to read books either on the paper or on the screen.Reasons for your preference:I like to read paperback books mainly because they are easy to carry around./ they are cheap to buy/they are not as harmful for your eyesight as the screen, etc.I prefer to read e-books mainly because they can be stored in my computer and I can read them on the screen at any time/they don’t occupy as much space as paperback books/they can be bought in segments and I don’t have to pay for the parts I don’t want to read, etc.Transitional words or phrases you may use to join the sentences togetherbecause, so, but