It wasn’t easy; he could tell that just by listening. In movies, a single actor was almost always chosen for a single role—unless you were dealing with psychopathic twins or something. In most audiobooks, one voice covered it all. A narrator had to be able to inhabit a myriad of ages and accents, both genders and all their various permutations, without ever relying on the visual of a crooked eyebrow, the mood enhancement of a musical score.

