I have all the necessary references had to study for the Certified Energy Manager Test, will certainly sell separately at rates listed below or together for $350:.

　　1. Energy Management Handbook, Eighth Edition [Hardcover] by Steve Doty, Wayne C. Turner.

　　REALLY GOOD condition - $200.

　　2. Guide to Energy Management, Seventh Edition By: Capehart, Barney L.

　　GOOD condition - $90.

　　3. Handbook of Energy Engineering, Seventh Edition By: Thumann, Albert.

　　NEW - $110.

　　No trades or lowball offers please.