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Light Switch
Barnes and Noble
Light Switch
Current price: $12.60
![Light Switch](https://prodimage.images-bn.com/pimages/9781466999824_p0_v2_s600x595.jpg)
![Light Switch](https://prodimage.images-bn.com/pimages/9781466999824_p0_v2_s600x595.jpg)
Barnes and Noble
Light Switch
Current price: $12.60
Size: Paperback
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Electricity is changing the human environment as profoundly as the first human use of fire, a quantum leap separating an unprecedented present from a dark past. Time now to flip the switch and see the future in a different light.