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It was 2004, and Sean McFate had a mission in Burundi: to keep the president alive and prevent the country from spiraling into genocide, without anyone knowing that the United States was involved. The United States was, of course, involved, but only through McFate's employer, the military contractor DynCorp International. Throughout the world, similar scenarios are playing out daily. The United States can no longer go to war without contractors. Yet we don't know much about the industry's structure, its operations, or where it's heading. Typically led by ex-military men, contractor firms are...

Teaching materials play a crucial role in teaching-learning. When these take the form of a textbook it is essential that the textbook be carefully selected to meet both external requirements and the needs of the teachers. It is also important that teachers be able to mediate between the textbook and the learners, adapting and supplementing the book as necessary. This textbook gives practical advice on the adaptation and supplementation of teaching materials and goes beyond this. For teachers who prefer to prepare their own materials rather than basing their teaching on a book there are...