<p>The New England Hawk Migration Study combined the world of hawkwatching and aeronautical engineering for a unique view of birds in flight. Specially outfitted in a Sperber motorglider, which allowed slow, sustained highly maneuverable flying, author Bill Welch and his colleagues followed the hawks on their East Coast migrations, riding the same thermals as the raptors, and making detailed observations never before possible of hawk flight and navigation.With over 35 black-and white photographs and charts, Hawks at My Wingtipsis a detailed and fascinating look at the worlds of birdwatching and high-performance flying. Both written and photographic accounts of these flights capture a feeling of what it is like to soar with nothing but wind under your wings</p>

Hawks at My Wingtip

Science & Math

Welch, Bill

Nature & Ecology

North Country Pr

<p>Author Welch explains his system for winning baseball games, which, he claims, proves that runs can be saved by better defensive positioning.</p>

The Tenth Man: How a Major League Baseball Team Can Gain A 2 to 3 Run Advantage Every Game

Moses, Jeff

Sports & Outdoors

Slawson Communications

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Books by Welch, Bill