Koi: Everything About Selection, Care, Nutrition, Diseases, Breeding, Pond Design and Maintenance, and Popular Aquatic Plants (Barron's Complete Pet Owner's Manuals)

Koi (Complete Pet Owner's Manual)

Koi: A Complete Guide to their Care and Color Varieties

Koi For Dummies

Backyard Water Gardens: How to Build, Plant & Maintain Ponds, Streams & Fountains

The World of Koi (Mini Encyclopedia Series for Aquarium Hobbyists)

A Practical Guide to Building And Maintaining a Koi Pond: An Essential Guide to Building And Maintaining (Pondmaster S.)

The Tetra Encyclopedia of Koi

Manual of Koi Health: How to Create a Healthy Environment for Your Koi and How to Treat Any Sickness that May Afflict Them

The EZ Guide to Building a Koi Pond: Welcome to the Wonderful World of Koi