Dickens the Editor To Dickens the Writer: Make It Sell.

It is an enduring mystery of English literature: What secrets lie entombed in the thick scribbles that Charles Dickens made as he wrote, and rewrote, the 66 pages of ''A Christmas Carol'' in 1843? The manuscript of this classic holiday ghost story, written in six weeks to raise much-needed cash, is housed at the Morgan Library and Museum in Manhattan, where it bears all of Dickens's additions and subtractions in his own hand. [ABSTRACT FROM PUBLISHER]