Four experts on the American presidency examine the first three times impeachment has been invoked—against Andrew Johnson, Richard Nixon, and Bill Clinton—a

Explains impeachment from its English roots through 250 years of American constitutional experience, including the case against President Trump.

An account of the attempt to remove Andrew Johnson from the presidency. It demolishes the myth that Johnson's impeachment was unjustified.

NATIONAL BESTSELLER “Lichtman has written what may be the most important book of the year.” —The Hill What are the ranges and limitations of presidential

Why President Trump has left us with no choice but to remove him from office, as explained by celebrated Supreme Court lawyer and former Acting Solicitor Genera