9/6: remembering Roman Holiday

I was reading Rick Riordan's Mark of Athena on the porch this morning, and the set-up of one scene reminded me of Roman Holiday.  A few paragraphs later, it became clear why:  Riordan explicitly presents Rhea Silvia and Tiberinus as if they were Audrey Hepburn and Gregory Peck from the film.  It was such a sweet and unexpected touch.