Clever order of sections in Indigo - Medical Reference and Erotica are neighbors. Either so you can check the accuracy of the erotica novels, or (more likely) when you are shopping for erotica and you run in to your grandmother’s cleaning lady you can make like you were looking at Medical Reference books and not looking for new ways to spark your sensuality. So the cleaning lady can tell grammy that you’re going to be such a nice doctor, and not a homeless, jobless perv.