Solving Approach
This one works out to about 4.1 letters per word on average. Look for the shortest cipher groups first — they're the quickest way to get a toehold before tackling the longer words. This is rated hard — the substitution pattern is less forgiving, so patience with frequency analysis pays off.
About David McCullough
David McCullough was an acclaimed American historian and biographer whose masterful narratives brought history to vivid life for millions of readers. He won two Pulitzer Prizes for his biographies of Harry Truman and John Adams, and was famous for his meticulous research and compelling storytelling. McCullough believed that history was "about human beings" and insisted on finding the humanity in historical figures, making their stories resonate with contemporary audiences.
Did you know? David McCullough won the Pulitzer Prize twice, first for 'Truman' in 1993 and then for 'John Adams' in 2002.