- Series: Twilight Series Record # 39406
- Series Tags: time travel (2), science fiction (2), NESFA Core Reading List (2), set in 1930s (1), telekinesis (1), world of automated machines (1), intelligence artificial (1), end of humankind (1), neptuno (1), universal end (1), antigravity (1), interplanetary travel (1), music (1), curiosity (1), loneliness (1), dogs (1), robots (1), Neptune (1), longevity (1), Nevada (1), loss (1), artificial intelligence (1), first person point of view (1), contemporary (1), only humans (1), far future (1), mysterious hitchhiker (1), decline of humanity (1), automated civilization (1)