Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Overall fair and well constructed look at the 17th President

Treffousse's look at the 17th President of the United States is a fair and well-balanced look at this driven politician. The reader will be left with little doubt that Johnson's racism was his biggest flaw in both his political and personal life. The impeachment is featured but does not dominate the book as it should not.