Paul White 
The Orb [EPUB ebook] 
An Electric Eclectic book

The Orb is a fast-paced, urban action, speculative fantasy adventure.
After stealing the Orb from the Librarians, she is on her way to meet the Cardinal who has promised to pay fifty thousand pounds to lay his hands on the Orb.
But the Librarians what their treasure back and are willing to go to great lengths to ensure that happens.
However, they are not the only ones chasing the Orb. Both the Paladin and Mamluk would like the opportunity to taste the secret powers the Orb holds.
They and others are going to make her journey north a very interesting road trip.