I think it was a cute way to get across the basic principles that govern electricity. I’d recommend it to anyone who has an interest in the way electricity works. It works fine for adults, but if you have a kid who’s maybe 10 or so who’s getting into electricity and the types of kits they used to sell at Radio Shack, this would be a great way to explain the way electricity works. It’s fun while being quite informative.
My bachelor degree is in Electrical Engineering, so for me this was a great refresher on topics I haven’t touched in over a decade and a half. After each chapter is a text section that explains the topics in further detail if needed or desired.
If there are any negatives, there’s only the gender role issues that some might take issue with. The main character needs to be tutored and so in exchange for the tutoring she cleans house and cooks for her male tutor.