Bookish & Mystery Themed Phone Cases

Today we delve into the wonderful world of bookish iPhone cases. Here is a lovely one on Etsy from Juicy Case. 

They also have the 221b model. 

And of course, the TARDIS:

If your taste runs more towards River Heights, there's also a case for you...

Design Mavens actually has several models of the Nancy Drew case. They also make the Composition Notebook case.

Which one is your favorite?