A matchless handbook for decades, this classic work has been the natural history bible for countless teachers and others who seek information about their environment. Written originally for those elementary school teachers who knew little of common plants and animals, and even less about the earth beneath their feet and the skies overhead, this book is for the most part as valid and helpful today as it was when first written in 1911 and revised in the spirit of its authors by a group of naturalists in 1939. After all, dandelions, toads, robins, and constellations have changed little since...