00300nam a2200097Ia 4500008004100000041000800041100002500049245007100074260004900145300000800194240521s2012    xx            000 0 und d  aeng  aHILL W. & EDWARDS R.  aBUILDING THINKING SKILLS PRIMARY - LESSION PLANS & TEACHERS MANUAL  bCRITICAL THINKING BOOKS & SOFTWARE USAc2012  a124