I shared this on the birdsite a little while ago, but figured I'd share how much money I've made from my two nonfiction computer programming books. Note this is pre-taxes, but just what I get from publishers, and not raw sales.
I view sharing information as the goal, not making money, in these endeavors, but it still shocks me when I look at this chart.
Revel in the marvels of the universe. We are a collective of forward-thinking individuals who strive to better ourselves and our surroundings through constant creation. We express ourselves through music, art, games, and writing. We also put great value in play. A warm welcome to any like-minded people who feel these ideals resonate with them.