[perhaps related] The late, great Roger Ebert wrote a book about rice cookers: "The Pot and How to Use It: The Mystery and Romance of the Rice Cooker". Like pretty much everything Ebert ever wrote, it's excellent:

https://www.amazon.com/Pot-How-Use-Mystery-Romance/dp/074079...

Yup, Roger Ebert wrote a cookbook on it: http://www.amazon.com/The-Pot-How-Use-It/dp/0740791427