Psychology 241 : social psychology by myers spencer Jordan, 4th edition -----------$50 3 R; `. Q' E$ A6 FStatistics 235: probability and statistics for engineers and scientists, custom edition, university of Alberta -------------$50 , W2 y) N$ d6 R }$ d$ ZPetetrom 275: properties of petroleum fluids, by William Mccain, second edition-------------$70 " d* x: }7 c% q) K% l