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In A Certain Curve of Horn, veteran journalist John Frederick Walker tells the story of one of the most revered and endangered of the regal beasts of Africa: the giant sable antelope of Angola, a majestic, coal-black quadruped with breathtaking curved horns over five feet long. It is an enthralling and tragic tale of exploration and adventure, politics and war, the brutal realities of life in Africa today and the bitter choices of conflicting conservation strategies.

A Certain Curve of Horn traces the sable's emergence as a highly sought-after natural history prize before the First World...

British explorers Robert OHara Burke and William John Wills set out in 1860 to explore the Australian outback -- they never returned, but their journals tell their story. One year later, a search party led by Frederick Walker left to find them. Though unsuccessful, they discovered what had happened to the intrepid explorers.

The growing interest in commercial RF applications and high-frequency engineering has triggered a scramble for fundamental design and analysis information. This expertly compiled resource gives microwave engineers instant, one-stop access to a vast range of essential source material in a single convenient volume.