卖the key和其他参考书

简约

Chemistry 30 the key (new curriculum) $10 全新
Biology 30 the key $5
4 W% q' ~% x5 TChemistry 30 Notes and Problems $15 (原价$30) 全新
- N/ ?7 j4 e2 t4 g" LEnglish 30-1 the key (new curriculum) $10 全新
Social 30-1 they key (new curriculum) $10 全新

, P1 n( N7 x& _8 h) b+ ^% H另有国内高中理科课本和参考书不下20来本, 若以上全购, 酌情赠送. 如要买国内参考书可来参观挑选, 每本2元.