"Mara, Daughter of the Nile" by Eloise Jarvis McGraw

I've got mixed feelings about this book.
On the one hand, the historical details and worldbuilding are fantastic.  I took a history class on Egypt and the Ancient Near East back in college, and reading this brought back so many good memories of that class and the professor, who was my favorite history prof.  
The characters were nuanced and believable, and mainly likeable.  I didn't like some of the things that Mara in particular did, but I understood why her history as a slave and her desperation...