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Storm Over Warlock

Read by Andre Norton


Andre Norton


The Throg task force struck the Terran survey camp a few minutes after dawn, without warning, and with a deadly precision which argued that …

Ch. XIII: Metamorphism and Mineral Veins

In The Elements of Geology

Read by Andrew Nelson


William Harmon Norton


Geology is a science of such rapid growth that no apology is expected when from time to time a new text-book is added to those already in th…