Rising Tide: The Great Mississippi Flood of 1927 and How It Changed America, by John M. Barry (TPB, 1997, 523 pages, $3)
"The river inundated the homes of nearly one million people, helped elect Huey Long governor and made Herbert Hoover president, drove hundreds of thousands of blacks north, and transformed American society and politics forever." Wow!
Look for this book on the new non-fiction table, avail. 11/2.