Critically acclaimed on its hardcover publication, and praised for its playful inventiveness and delightful prose, Deb Olin Unferth's debut novel, "Vacation," features three characters--a man, his wife, and a stranger with ties to them both. With his wife suspiciously absent in the evenings, the man, Myers, follows his unnamed spouse on her evening escapades and soon realizes that she is following the stranger, Gray, a former classmate of Myers whose own marriage has fallen apart. What follows is an unusual, unsettling, and wildly entertaining novel unlike any you've read in a long time. With...