Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A Wonderful Saga of An American Family

Jean Baker's chronicle of the Stevenson family contains Baker's usual hallmarks-- thought-provoking sagacity, a remarkable ability to objectively look at all issues from all angles, and research that in its scope and accuracy is second to none. The Stevensons should be required reading for all Americans who care about postwar American politics and culture. An excellent piece of work by one of America's outstanding biographers.