In between the sea and the plains of Bengal, on the easternmost coast of India, lies an immense archipelago of islands. Some of these islands are vast and some no larger than sandbars; some have lasted through recorded history while others have just washed into being. These are the Sundarbans - the beautiful lands. Here there are no borders to divide fresh water from salt, river from sea, even land from water. The tides reach more than two hundred miles inland, and every day thousands of acres of mangrove forest disappear only to re-emerge hours later. For hundreds of years, only the truly...