If you can possibly get it, buy the BBC cassette tapes (or CDs) of the original radio series. it is utterly fantastic, truly groundbreaking and much better paced than the (rather slim) books.Hurry or you'll be late. Late, as in 'the late Dentarthurdent'. Its a sort of threat you see. i've never been very good at them, but i'd told they can be terribly effective.