how a manuscript becomes a book #1: delivering the manuscript

In the very beginning it starts with this, a manuscript:
One manuscript, complete with elastic bands When I began writing, a manuscript was a bundle of paper which you posted in a Fedex box. Now, I deliver mine by email (though I usually take a paper copy to my agent, a kind of tradition we've established). The general rule for when to submit it is when you have entered a haze of exhaustion which renders you incapable of doing anything but adding and removing the same comma while feveris...