This book contains general background about lovebirds including how they behave as pets and crossbreeding possibilities. It talks about six full species of lovebirds. It relates the history of the birds. There is an entire chapter about building and equipping the aviary. Another chapter covers breeding possibilities: requirements, nesting boxes, importance of minerals, diet and more . It has a second chapter on the breeding period. A chapter on distinguishing between the sexes covers topics such as color mutation. There's a full chapter about the care of lovebirds including seed , universel food, green s , cuttlebone , drinking and bathwater, p erches, the floor, etc. Then there are 12 chapters , each dedicated to individual varieties of lovebirds.