Inthesummerof1983,justdaysbeforethebirthofhisfirstson,writerandtheologianJohnHullwentblind.Inordertomakesenseoftheupheavalinhislife,hebegankeepingadiaryonaudiocassette.Upontheirpublicationin1990,OliverSacksdescribedtheworkas"themostextraordinary,precise,deepandbeautifulaccountofblindnessIhaveeverrea...