The Bumper Book of Tropical Aquarium Fishes
This is a very helpful guide to setting up a community aquariums. It is easy to follow, sets out information in bite-sized chunks. It covers the basics very well, like tank selection, equipment for lighting and heating, filtration, water quality, water plants and preventing and tackling health problems. There is also help on choosing fish. There's information on a wide range of species, including their requirements, and their compatibility with other fish species. Specialists in particular types of fish such as cichlids, will want a more in-depth book, as will enthusiasts who want to breed fish on a large scale, but this is an extremely helpful book for people who are starting out with tropical fish, and just want a community tank.