One of the outstanding mysteries of the twentieth century, and one with huge political resonance, is the death of Dag Hammarskjold and his UN team in a plane crash in central Africa in 1961. Just minutes after midnight, his aircraft plunged into thick forest in the British colony of Northern Rhodesi[...]
The Academic Encounters Second edition series uses a sustained content approach to teach skills necessary for taking academic courses in English. There are two books for each content area.[...]