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Virtual Private Networks, Second Edition by Paul Wolfe, Charlie Scott, Mike Erwin

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Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects.

The animals featured on the cover of Virtual Private Networks, Second Edition, are puffins. Puffins are small, unusual-looking birds with large triangular bills, short necks, and stocky bodies. They live in colonies, sometimes tens of thousands of birds together, along the icy shores of the northern regions of the globe. Though they are rarely seen outside of the northern regions, there are approximately 15 million puffins in the world today. Despite their short wings, puffins can fly, although they spend most of their time swimming or walking erect on land. While flying, they make a purring sound.

Here’s some more puffin stuff: puffins’ primary food sources are small fish and marine animals. They dive for fish and use their wings to swim underwater to catch them. They can carry as many as 30 fish in their mouth at one time, to bring back to shore for their young. Puffin pairs often mate for life. Usually one egg is laid per pair, and both mother and father incubate the egg and feed the young hatchling.

Edie Freedman designed the cover of this book, using a 19th-century engraving from the Dover Pictorial Archive. The cover layout was produced with Quark XPress 3.3, using the ITC Garamond font.

The inside layout was designed by Nancy ...

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