Index, A History of the: A Bookish Adventure by Dennis DuncanMost of us give little thought to the back of the bookits just where you go to look things up. But here is the secret world of the index: an unsung but extraordinary everyday tool, with an illustrious but little known history. Charting its curious path from the monasteries and universities of thirteenth century Europe to Silicon Valley in the twenty first, Dennis Duncan reveals how the index has saved heretics from the stake, kept politicians from