They are the kings of the garden pond: Koi. During the last few years, the Koi’s popularity has increased tremendously. Many fish lovers do not spare money or effort when dealing with their carp. Koi is cult! For a good start right from the beginning, this guidebook in a high-quality design treats all relevant subjects related to Koi keeping: pond construction, filter systems, water values, selection, care and feeding, as well as varieties and Koi illnesses. The pleasant Japanese look and many photos also make the book an ideal gift. Robert Jungnischke owns an expert and planning office for Koi pond systems and Koi keeping. Dr. med. vet. Werner Hoedt is a veterinarian and specializes in Koi illnesses.