Jack and Jill went up the hill to fetch a pail of water. Jack fell down and lost his crown . . .               And that's where I come in.             Who am I? I'm Joe Dumpty, Private Investigator. Excerpted from The Crown Affair by Jeanie Franz Ransom All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.