On the evening of April 15, 1848, seventy-seven slaves attempted one of history's most audacious escapes--and put in motion a furiously fought battle over slavery in America that would consume Congress, the streets of the capital, and the White House itself. Setting sail from Washington, D.C., on a schooner named the Pearl, the fugitives began a daring 225-mile journey to freedom in the North. Mary Kay Ricks's unforgettable chronicle brings to...