This has been an enormous influence on environmental protection programs since it was published in 1915. He emphasises the value of local culture and the preservation of wilderness and notes the rise of industrialised agriculture and cautions against moving away from natural food. An enduring philosophy, important still.
Beware! There's high-risk adventure ahead, but thrills and excitement, too. Join the fearless treasure hunters as they journey across the desert, dodge snakes, cross a river filled with crocodiles, search along a jungle path, explore a castle, and climb a wall to reach the hidden treasure in the tower. The rewards make it all worthwhile - priceless jewels, golden coins, ancient artifacts, and hours of fun. Fifty activity pages include mazes, search-and-finds, and connect-the-dots. Pages can be coloured when activities are complete. Solutions included.