Psychology 241 : social psychology by myers spencer Jordan, 4th edition -----------$50 5 _* x- i4 ]! l( Q$ AStatistics 235: probability and statistics for engineers and scientists, custom edition, university of Alberta -------------$50 : e( G8 {. L6 Z) y/ kPetetrom 275: properties of petroleum fluids, by William Mccain, second edition-------------$706 V9 e% R0 I5 x2 Y% o) L3 W+ ^& k