Eric M. Esquivel 
Bold and the Brave #13 [EPUB ebook] 

It’s the year 2099. Aletheia, the Greek goddess of Truth, is dead. And with her, so is The Truth itself.
With no objective truths to unite them, the city of Neo Ithaca erupts into anarchy. Its protector, the 10th Muse of 2099, says a silent prayer for help– and it’s answered by the present-day Muse, and her enchanted, time-travelling amulet.