The Practical Rock & Water Garden Book
The Practical Rock & Water Garden: A step-by-step guide from planning and construction to plants and planting is one of our favorite reference books for water features. It has great reference pictures, and a huge section on planting as well as an expansive plant directory.
It has 251 pages of content and lots of photos, including some materials reference photos.
Keep in mind, the pumps in this book are not swimming safe. Different guidelines apply to water gardens than natural swimming ponds/pools.