• Barcelona from A to Z, Vintage, 2017
  • Tuscany and Umbria: The Collected Traveler, Vintage, 2010
  • Istanbul: The Collected Traveler, Vintage, 2009
  • En Route: A Journal and Touring Companion for Inspired Writers, Potter Style, 2007
  • Athens: The Collected Traveler, Fodor’s, 2004
  • Southwest France: The Collected Traveler, Fodor’s, 2003
  • Northern Spain: The Collected Traveler, Fodor’s, 2003
  • Venice: The Collected Traveler, Trade Paperback/Three Rivers Press, 2002
  • Morocco: The Collected Traveler, Trade Paperback/Three Rivers Press, 2001
  • Provence: The Collected Traveler (edited by Kerper), Trade Paperback/Three Rivers Press, 2001
  • Paris: The Collected Traveler (compiled by Kerper), Trade Paperback/Three Rivers Press, 2000
  • Central Italy: The Collected Traveler (compiled by Kerper), Trade Paperback/Three Rivers Press, 2000