What could be more lonely than to be enveloped in silence, to be the last of your people to speak your native tongue, to have no way to pass on the wisdom of the elders, to anticipate the promise of the children. This tragic fate is indeed the plight of someone somewhere roughly every two weeks.
What that book does for me is give me the tools in the same way that I had the tools when I learned the regular scales or the alphabet. If you give me the tools, the syntax, and the grammar, it still doesn't tell me how to write Ulysses.
In my line of business, there's no better feeling than having a real nice work that you're really satisfied with.