Yes, that's right. The best involve geography, mathematics and history. And the Science of Baseball is a great site.
"Judging from his tracks, Boo was about six and a half feet tall, dined on raw squirrels and any cats he could catch. There was a long, jagged scar that ran across his face. His eyes popped and he drooled most of the time." Jem describing Boo Radley in To Kill a Mockingbird "Facts are stubborn things." Tobias Smollett