1. Fundamental Renewable Energy Processes Second Edition by Aldo Vieira da Rosa

2. Principles of Sustainable Energy by Frank Kreith, CRC Press

3. Renewable Energy Engineering and Technology Principles and Practice Edited by VVN Kishore 

4. Renewable and Efficient Electric Power Systems by Gilbert M. Masters

5. Sustainable Energy Choosing Among Options 

Overall very good condition for the lot but check out the photos as one has spine damage.

Thanks for looking! Feel free to ask questions or make an offer :)