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What is the source of Earth's magnetism? What mysterious force makes compass needles point to the poles, and dangerous particles from the sun veer ...
The most comprehensive book on giraffes to appear in the last fifty years, this volume presents a magnificent portrait of a group of animals who ...
WA Fantastic goldfields map created exclusively for the prospector. Well researched from historical records and extensive field expeditions this map includes alluvial workings, reef lines ...
This two-volume treatment in a single binding supplements standard mathematics courses. Written to remedy the common mistake of emphasizing generality and abstract principles at the ...
