Eucalyptus, a genus of over 800 species, is a multiproduct crop par excellence. Not only is it grown for timber, pulp and fuelwood, but, as the Aborigines discovered thousands of years ago, it has numerous medicinal and aromatic properties. Since the first commercial distillation of eucalyptus oil 150 years ago, a vast array of eucalyptus-based products has entered the marketplace, mainly for pharmaceutical, fragrance and flavor use. Eucalyptus provides an invaluable reference for all those with an interest in Eucalyptus - in academia and industry alike, for researchers as well as producers, processors, importers and end users - but there are also issues discussed and lessons learned that extend to medicinal and aromatic plants.