Book excerpt: The tropical discus - fascinating, beautiful and high-maintenance. ­Looking after your ­discus is challenging and rewarding, and takes time, money and love. Now in a revised and fully updated second edition, DISCUS WORLD is the ­complete manual for the tropical discus ­keeper. Written in clear, easy-to-understand language, DISCUS WORLD is the ­indispensable reference guide to caring for these ­fascinating fish. ­Whether you are just beginning, a breeder, or a seasoned discus ­keeper, a wealth of discus information is between these covers. In this book: * Buying discus* Tips for keeping discus* Breeding discus* Feeding discus* Sexing discus* Bringing out the best in wild and cultivated varieties* Creating the perfect aquarium set-up* Keeping your discus healthy and doing the right thing when it all goes wrong* Moving house with discus* Acclimatising discus* Keeping your discus healthy when you're on holiday* Setting up a discus business* Real readers' questions... ­answered!