The Aspect and Tomes of Atheneum

The Aspect of Atheneum is a large crystal ball with an oily swirling sheen.
The Tomes of Athenium are large books bound in dark orange tanned leather with embossed oily black text.
When an Aspect of Atheneum is placed in a library, the associated Tomes of Athenium enable a person to read any of the books in the library, no matter their location.