Kelly Knauer is a writer and editor for TIME Books in New York City , the book-publishing division of TIME Magazine. He has written and edited more than 30 TIME books on such subjects as Hurricane Katrina, the Middle East , great photojournalism, natural history, global warming, architecture, American history, and the life of Abraham Lincoln. He worked with TIME's longtime White House Correspondent, Hugh Sidey, on the book Hugh Sidey's Portraits of the Presidents. Among those who have written introductions for Mr. Knauer's books are former Presidents George H.W. Bush and Jimmy Carter and actor Tom Hanks.