Here is a small collection of automotive engineering related books. Example: Gas Turbing Combustion, Advanced Air and Noise Pollution Control, Automotive Air Conditioning and Climate Control Systems, Automotive Computer Controlled Systems.
Large collection of various marijuana growing books. Also included are books about hash, hydroponics, marijuana science, one book about cooking, and a couple of different funny things, like the joint rolling handbook and ganja etiquette. hope you enjoy!