As someone who could not tell you the name of either of Einstein's wives, this was a fun re-imagining of the life of Mileva Maric, Einstein's first spouse. It was a little difficult at times to believe the character's actions based on their portrayals thus far in the story, and the author doesn't spend any time in the afterward talking about the evidence for or against her assertion that Einstein's famed 1905 paper on relativity was in actually written by Maric, but it sheds light on little known stories of scientific women fighting to define themselves in a society that wasn't quite ready for them, and I couldn't put it down.