Psychology 241 : social psychology by myers spencer Jordan, 4th edition -----------$50 ; h% m* X' V6 w# }7 U; GStatistics 235: probability and statistics for engineers and scientists, custom edition, university of Alberta -------------$50 P% ?" `$ E" Z. u# sPetetrom 275: properties of petroleum fluids, by William Mccain, second edition-------------$704 Y$ e, X: w# u2 y- |0 e- C