econ102: 是susan的那本exploring macroeconomic 白蓝色的,353 Y1 X. t7 q: o) ~. C$ n; y/ I# D
wrs101: 60( v D' [0 ^( W" J: B1 i: e
chem101/102: 有solution manual,60$ E2 z* M; ?3 A
engl123: The longman anthology world literature 还有一本 the least you should know about english 只知道jean richardson这老师用这两本,其他的section也有可能,每本50/ y* N: u! H1 ~* D! f
arec323: 40+ m2 b+ i: S$ _* x, ]9 S
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