D. S Halacy Books

Genetic revolution: shaping life for tomorrow,
The geometry of hunger
The geometry of hunger

By D. S. Halacy

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Ice or fire?: Can we survive climatic change?
What makes a computer work?
What makes a computer work?

By D. S. Halacy

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Describes the workings of a computer and how it sorts, stores, and calculates information.

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Soaring.
Soaring.

By D. S. Halacy

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Describes the aircraft and the techniques used in "sailing" the air.

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The energy trap
The energy trap

By D. S. Halacy

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Describes the energy crisis, its link to the gross national product, and alternatives for current and future fuel resources.

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Government by the States
Government by the States

By D. S. Halacy

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With wings as eagles
With wings as eagles

By D. S. Halacy

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Describes the sailplane and the sport of soaring with additional material on competitive soaring and record flights.

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The complete book of hang gliding
The complete book of hang gliding

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