Hillary Clinton’s new book, “Hard Choices,” shares a title with a 1983 tome on foreign policy by another former secretary of state, Cyrus Vance.

But aficionados of another area of interest, porn, are tittering because it’s also the name of a 1987 X-rated masterpiece by the late Ron Sullivan, reports the Daily Caller’s Betsy Rothstein.

The Caballero Home Video title stars Nina Hartley and Tom Byron as well as Nick Random and Blondi. Further research shows the plot involves a “lusty professor.”