"From the New York Times bestselling author of The Plot (a Tonight Show Summer Read pick) and You Should Have Known, adapted as HBO's The Undoing, Jean Hanff Korelitz's The Latecomer is the story of three siblings, desperate to escape one another, and the upending of their family by the late arrival of a fourth. The Oppenheimer triplets have been reared with every advantage: wealth, education, and the determined attention of at least one of their...