Psychology 241 : social psychology by myers spencer Jordan, 4th edition -----------$50 # p2 h1 X3 q( | g- k9 I# P$ ZStatistics 235: probability and statistics for engineers and scientists, custom edition, university of Alberta -------------$50 % Y3 H5 _1 ^% i. P$ SPetetrom 275: properties of petroleum fluids, by William Mccain, second edition-------------$701 B% H+ _( r7 i& i; l! a