Ghost Lights stars an IRS bureaucrat named Hal — a man baffled by his wife’s obsession with her young employer, T., and haunted by the accident that paralyzed his daughter, Casey. In a moment of drunken heroism, Hal embarks on a quest to find T. — the protagonist of Lydia Millet’s much-lauded novel How the Dead Dream—who has vanished in a jungle. On his trip to Central America, Hal embroils him...