PDF Books in Children's Non Fiction
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Essays of a Biologist
by Julian HuxleyThe biologist cannot fail to be impressed by the fact that his science to-day is, roughly and broadly speaking, in the position which Chemistry and Physics occupied a century ago. It is beginning to reach down from observation to experimental analysis, and from experimental analysis to grasp of principle. Furthermore, as the grasp of principles in ..
How Old Is It? The Story of Dating in Archeaology
by James SchoenwetterThere is a whole field of science devoted to the invention and development of dating methods—or “clocks” as we may think of them. It is called geochronology, the science of dating events. There are relatively few geochronologists, scientists trained in the use of all kinds of dating methods and in the theories upon which these methods are based.Geo..
The Forest Giant
by Adrien Le CorbeauFor years on end it had been rolling, across the plains, through the deep meadow grasses, under the dim echoing archways of the forest. Always, in heat and cold, beneath blue skies, or skies clouded with rain and hail and snow, it had been rolling ceaselessly. One day it would be gilded by the sunlight—but not softened; another day grizzled streaks..
The Conchologist's First Book
by Edgar Allan PoeThe Conchologist's First BookA System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science...
Migration of Birds (1979)
by Frederick C. LincolnFrederick C. Lincoln's classic work on the "Migration of Birds" first appeared in 1935. It was revised in 1950 and has been out of print for several years, after selling over 140,000 copies. Unfilled requests by many individuals, clubs, and institutions prompted the Office of Conservation Education (now the Office of Public Affairs) in the U.S. Fis..
The Migration of North American Birds (1935)
by Frederick C. LincolnWhere do the birds go each fall that have nested in our dooryards and frequented the neighboring woods, hills, and marshes? Will the same ones return again to their former haunts next spring? What dangers do they face on their round-trip flight and in their winter homes? These and other questions on the migratory habits of birds puzzle the minds of..
Mozart's Youth
by Franz HoffmannThe life-story of Wolfgang Amadeus Mozart contained in this volume closes with his admission to membership in the Accademia Filarmonica at Bologna, Italy. Mozart was then in his fifteenth year. Up to that time his life had been a happy one, free from care, untouched by adversity, and crowned with continuous successes. He was admired by the people, ..
Little Joe Otter
by Thornton W. BurgessOf all the little Quaddies who live in the Green Meadows, the Smiling Pool and the Green Forest, none is more surprising than Little Joe Otter. He is full of surprises, is Little Joe. He has a way of suddenly bobbing up and just as suddenly disappearing, which makes him one of the hardest of all the little people to get acquainted with. Just when y..