Doesn't suit? No problem! You can return within 30 days
You won't go wrong with a gift voucher. The gift recipient can choose anything from our offer.
30-day return policy
Harnessing energy from water provides clean, available power that does not release harmful chemicals or carbons into the air. This interesting book explains how hydro turbines, transformers, and power lines work to bring light to the world and gives tips on how to conserve electricity and become more environmentally conscious.