00260nam a2200109 a 450000500170000008200240001710000160004124500210005726000300007830000210010863000210012920251203091225.0  a821.9140809283bPIR  aPirrei,Jill  aOn common ground  aHodder and Houghronc1987  a99p.b22cm.cPB.  aOn common ground