Conservation was a ""cause"" in the nineties; today it is an accepted procedure and this book is the outgrowth of the work done by a committee of the U. S. Dept. of the Interior, the National Park Service and the Fish and Wildlife Service. The purpose of the text is to show how certain forms of wildlife have approached extinction, -- the grizzly bear, the bighorn, the sea otter, the trumpeter swan, the pinnated grouse, the roseate spoonbill, the swallow-tailed kite, the Atlantic salmon, the lobster, and so on. Introductory chapters sketch a picture of ruthless killing and indifference to the basic laws as of even good sportsmanship. Then the gradual spread of the idea of conservation, an uphill struggle, even defeated today in some instances by public apathy. Against this background, the stories of the individual birds, beast and fish, thirty or more species which serve to illustrate the work that is being accomplished. Surprisingly readable (an unusual merit in what is virtually a committee report), and well illustrated with halftones. Should have a big plus sale for schools and older boys and girls, scouts, camps, and so on.