The story of Nikola Tesla’s life told here is pretty engrossing and the illustrations are good, but the back matter is fantastic! There’s an essay showing ways Tesla was ahead of his time, a bit about the rivalry between Edison and Tesla, and “Scientific Notes” giving scientific explanations for concepts mentioned in the book. All that besides the normal stuff–primary sources used, films about Tesla, what to read if you’re looking for more.
My advice: read the book, enjoy the pictures, and then dive into the back matter!
Electrical Wizard: How Nikola Tesla Lit Up the World, by Elizabeth Rusch, illustrated by Oliver Dominguez. Candlewick:2013.