A Girl With A Mind Like A Diamond

Here is a fast money-making idea. It appeals to guys who like brainy girls in their skivvies. This is not the final product. It's just a prototype I whipped up to give you the basic idea.

So...? How do you like Jane Austen now, fellas? Are you getting a sense of her sensibilities?

And my super trivia question of the day is: What brainy girl acted as a body double for this photo?