all the books are pretty new in good condition and no marks there

1. Environmental science (6 th edition)--- Daniel D, Chiras

2. Environment -------Raven, Berg, Johnson

3)Environmental Geology (5th edition) ------Edward A, Keller

4)Enviromental Geology- (6th Edition) ----Edward A, Keller

5)Enviromental science , earth as a living planet---Botkin Keller

6)Ceneral Geology for engineers-- Alan E, Kehew

1. Resources of the earth -- James R, Craig