PuzzleAuthor The Wonderful World of AstronomyLiz Starley EarthRachaelrec=1 Voyage to MarsAmanda Neptune - The Blue PlanetTyler Robbinsrec=-1 Early Russian Space ProgramBob Cobb What Can we See in the Sky, and the Effects of Planetary MotionJennifer Yapp and Mona Qubti The StarsMr. Surko