From Nautilus: A History of Costume Design in Subversive Soviet Theater by Galina Demidov. (Screencap courtesy of Person of Interest Gallery at Screencapped.net.)
This book does not actually exist. (And shouldn’t the name should be Demidova for a woman? I don’t know a great deal about Russian names, but I believe that would be the correct version.) Also, the book was hollowed out to serve as a hiding place. But we’ll count it. We counted the hollowed-out Sense & Sensibility last season, after all. And the reference to subversive Soviet theater is an interesting reminder of the “Cold War” going on between Team Machine and Team Samaritan.
From Brotherhood: The Invisible Man by H. G. Wells. (Screencap courtesy of Jason.)
Of course, this is a real book. And Finch’s reason for giving it to Elias is pretty obvious. Though, digging a little deeper into the story — especially the title character — there could be more than one reason. For a crime boss, a book about a crazed, power-hungry egomaniac who comes to a terrible end could be a useful cautionary tale …