Switched at birth by a young slave woman attempting to protect her son from the horrors of slavery, a light-skinned infant changes places with the master's white son. This simple premise is the basis of Pudd'nhead Wilson, a compelling drama that contains all the elements of a classic 19th-century mystery: reversed identities, a ghastly crime, an eccentric detective, and a tense courtroom scene. First published in 1894, Twain's novel bristles with...