Through his novels - and heroes - Mark Twain was indisputably the United States's first literary superstar. Ron Powers examines his life and work in an exhilarating new biography, says Robert McCrum.
Uncertainty, self-delusion and the devastating consequences of conflict characterise three very different accounts of the Iraq war - the most damning from the President's man in Baghdad, says Peter Beaumont.
Ruben Gallego's account of his remarkable escape from a childhood spent in Russian institutions, White on Black, leaves us wanting to know more about his life, says Adam Mars-Jones.
A modernist dinner party in Paris is the setting for Richard Davenport-Hines's adoring portrayal of his idol in A Night at the Majestic, says Peter Conrad.