Most Expensive E-book in the World

Google is a complete library… Today I found an most expensive e-book in the world. I will give a brief discussion about the most expensive ebook in the world, want to see coverage, please read.

“Nuclear Energy” available through Amazon Kindle e-book reader, consists of three volumes of “Energy Technologies” and is intended for use by scientists, technicians and students who need a reference for all nuclear power technology. This ebook allows you to build nuclear power plants. Printed copies cost $7790. For Kindle users can discount 20%, 602-page content

Why this ebook has a price like that? Because it is so qualified and the best reference for scientists.