at the risk of being obscure, I'm going to put this out there:

I am secretly beginning to suspect that
Dean:Publius::Amanda Doerty:Mark Twain

or, to cut it a bit more finely:
Dean, Publius, Amanda Doerty, Mark Twain, Franklin W Dixon, Carolyn Keene, Anne Rampling, and Theodor Geisel all have something in common.