The book is called "Last Call at the Hotel Imperial: The Reporters Who Took on a World at War." The author is Deborah Cohen, a professor at Northwestern University. Prof. Cohen primarily focuses on four American journalists who traveled the world in the 1920s, 30s, and 40s: H.R. Knickerbocker, Vincent "Jimmy" Sheean, Dorothy Thompson, and John Gunther. These reporters landed exclusive interviews with Hitler, Mussolini, Nehru and Gandhi and helped shape what Americans at the time knew about the world.    
 
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