McGraw Hill Ryerson new textbooks (never used):$40 each 4 ?4 W X) R b c" |4 a% S4 J& E( ]/ lFoundations for College Mathematics 12 (2009) 8 W2 h7 R# [* A8 m L
# L% L, w8 W6 W: I1 q* Z
Foundations for College Mathematics 11 (2007)1 W v1 V6 O; }( S' Y: M; L 6 w# C% z% r, d1 u8 S" ^5 YBiology 12 (2011). V$ y0 t, _! i 5 T9 R( U% c" V( dChemistry 11 (2011). ?* E. n P. K, m0 w' V
$ m3 d# I. r C% m" K6 d# N
' x3 z; i& e, G
有兴趣的请电 416-556-4238