Kenton Daniels 
Tony & Cleo #3 [EPUB ebook] 

A caring mother reaches out to ancient Rome and makes a grim prediction. In exchange for Cleopatra’s death, Augustus offers a reward beyond imagining. Meanwhile, with the help of Chicago’s finest, Matilda connects the dots and comes to a terrible conclusion. But she could be too late. On the other side of the city, the Professor takes a gamble and faces off with Cleopatra’s would-be assassin…alone.