I'm starting to worry about this black box of doom

"A standalone darkly humorous thriller set in modern America's age of anxiety, by New York Times bestselling author Jason Pargin. Outside Los Angeles, a driver pulls up to find a young woman sitting on a large black box. She offers him $200,000 cash to transport her and that box across the country, to Washington, DC. But there are rules: He cannot look inside the box. He cannot ask questions. He cannot tell anyone. They must leave immediately. He...