The author is so closely identified with the Act that bears his name that he is in the position to give the complete political history of the development and passage of the existing labor law of the land. He is frank in stating that the law is not as severe as the bill passed by the lower house, but compromise was necessary to avoid defeat by presidential veto. Inevitably he is prejudiced in favor of the act and optimistic as to what it will accomplish in the field of labor, but his prejudice does not go as far in one direction as that of the labor leaders in the other direction when they call it the new slave law. The year of the act in operation seems to have disproved the fears voiced by the president in his veto message. Hartley illustrates with actual cases to prove its workings. Anyone interested in labor relations will find this illuminating reading. Those outside the field will find it repetitious and labored at times. Complete text of the Act is included.