'lab rat literature' is a subgenre of Science Fiction. Take a small group of strangers, enclose them in limited space, add various puzzles and challenges without user guides. Then, watch the emotional games. Kress does this well, and BTFDTFATF was a can't put down read. There was not a single idea in the novel that had not been done many times before by many other authors. Reminded me of Benford's Tmescape, for example. Kress wrote a short story, The Kindness of Strangers, also excellent and had the same background themes, so it was exciting to see her expansion with BTF...recommended.