The Core is an important resource that helps parents create ways to incorporate study into daily routines involving the entire family. --Book Jacket.

Condition the core; unleash the potential. Serious athletes train for results—results that make them winners on the field, pitch, course, or court. And the ke

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“I have long admired Paul Preuss’s work and for this reason was pleased when he expanded six of my short stories into the Arthur C. Clarke’s Venus Prim