00714nam a2200253Ia 450000500170000000800410001724500290005870000180008726000350010530000140014030000100015449000160016450000130018002000180019365000370021165000330024865000160028105000220029754600150031952000910033433600090042533700150043433800110044920260803094208.0251212s2012    xx            000 0 und d1 aGravity /cMatt Mullins.  aMullins, Matt  aNew York :bScholastic,c2012.  a48 pages:  c21 cm  aA True Book  aLex: 910  a9780531265840  aGravitationvJuvenile literature  aGravityvJuvenile literature  aGravitation  a531.14 M91g c2012  ain English  aIntroduces the force of gravity, including how it works and the history of the theory.  atext  aunmediated  avolume