I enjoyed this too. Another piece of history that I knew very little about. After reading it, I discussed it with my brother who is an electrical engineer who of course knew much more about the history of electricity.
I knew of the Tesla and Edison race to new inventions of the modern world yet had not realized all the intricate details of the power dynamics behind such. It was interesting to experience a known story of Edison and Tesla through the lens of others involved. Definitely a good read and I would recommend it to those who like historical fiction.