There are only two forces in the world, the sword and the spirit. In the long run, the sword will always be conquered by the spirit. - Napoleon Bonaparte
In this optical illusion book, Matthew Luckiesh discusses camouflage as it occurs in nature and as it was used by the military during World War I.
The name was coined by the French to apply to a definite art which developed during the "Great War" to a high state. It was during WWI that camouflage developed as a science. During World War II camouflage was developed to an even greater extent. It covers a vast field of activity in scientifically concealing and deceiving.
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