Planning the rebuilding of New Orleans after Hurricanes Katrina and Rita has been among the greatest urban planning challenges of our time. Since 2005, Robert B. Olshansky and Laurie A. Johnson, urban planners who specialize in disaster planning and recovery, have been working to understand, in real time, the difficult planning decisions in this unusual situation. As both observers of and participants in the difficult process of creating the Unified New Orleans Plan, Olshansky and Johnson bring unparalleled detail and insight to this complex story. The recovery process has been slow and...