Three Herbert Hoover signed books all written by Hoover. The first entitled The Challenge to Liberty is inscribed “The Compliments of Herbert Hoover (1934)". Next is The Memoirs of Herbert Hoover inscribed May 1952 and An American Epic inscribed “To my good friend Bruce Barton from Herbert Hoover” (1961). Bruce Barton was notable in his own right both in advertising and as a writer (creator of Betty Crocker). Books are EX overall. An American Epic with dust jacket (VG+).