In the first day it’s been available, by new electronic book Take Control of Digital TV has sold a whopping 141 copies.

It’s all thanks to the well-crafted niche marketing operations at TidBITS Electronic Publishing. And it just goes to show you: Create a product that fulfills a consumer need, showcase it effectively, and watch the proceeds roll in. I’ll have to remember this lesson the next time I decide to devote a half year of my life to an artsy literary endeavor.