http://www.amazon.com/gp/product/0465017592/ref=as_li_ss_tl?...
I'm not able to find the definitive research paper on it right now which was titled "The Origins and Ends of Giftedness," but here's one on the trait in the visual arts which should give you an idea --
https://www2.bc.edu/~winner/pdf/talent_in_visual_arts.pdf
Despite the term being catchy/interesting, most of the literature on it is very academic and somewhat dry. It probably makes for poor curiosity reading, but it's supremely valuable to dig through the academic papers if you have the trait yourself or you're a parent/guardian/teacher of someone who does.
