Though small, this pamplet book covers many topics ranging from Keeping Your Goldfish Healthy to Diseases. Partial Listing of contents: Bowls versus Aquariums, A Minimum Setup, Filtration, Feeding, Goldfish Anatomy, Golfish Varieties, Mixing Goldfish types, Diseases and more! A good addtion for your Aquarium References - an excellent choice as a gift for your Golfish customers.