Against an uneasy political backdrop of failed agreements and legal loopholes, along with the worrying growth of biological and chemical agents around the world, biological warfare has become a real concern for anyone worried about a future of war and terrorism. Exploring the entire spectrum of chemical and biological threats, Malcolm Dando explains the effectiveness of different agents, and describes the potential attack scenarios. Covering the history of biowarfare development programmes around the world, he also discusses what we know of current programmes, in places such as Iraq, the US and South Africa.