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aboard Adventure alien Axle Axlians BANTAM BOOKS begin black hole button catalog chance choice choose colors command craft creatures crew cure dangerous decide destroyed device discs drift earth-type Edward Packard escape feel fever fight flip forces frightened future Galactic Court galaxy giant gravitational field happen hostile jiggling join journey to Phonon laser beam light light/island living Lodzot look luck mass Mermah meteor shower Milky Way galaxy mind-scan minimum leader mission mother ship navigation nebula negotiate particles peace pirates planet Earth pollution portholes problems pursuit ships quarks R.A. Montgomery radar probe realize research station Rift Valley rush says seems shadow Space Academy space caravan space pilot spacecraft spacepod spaceship star stop suddenly talk tell things tion trans-galactic turn turn to page Tyrannosaurus Tyrannosaurus Rex Universe Governing Body warning weapons Zermacroyd