Thanks for link to the pdf. The original hard cover book can be occasionally (more like rarely) found in 2nd book stores, yard sales etc. I seen a copy about 5 years ago and wish I had purchased it to add to my collection.
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock