Ebook: Building natural ponds.

"Building Natural Ponds is the first book to walk through the steps required to design and build a natural pond without the need of pumps, filters, and nasty chemicals. Coverage includes pond ecosystems and natural algae control, planning, design, aesthetics, and siting, plus highly illustrated step-by-step construction guidance, plants and fish, maintenance and troubleshooting, and large ponds and pools."--Provided by publisher.  Read more...