An electronic book, popularly known as eBook, is a book in digital form that is readable on various electronic devices. These devices include dedicated eReaders like Kindle, or laptops, desktop computers, and smartphones. There are many popular file formats of eBooks in-use in the market that include; EPUB, FictionBook FB2, Microsoft Compiled HTML Help - CHM, DjVu, MOBI, PDF, and many others. As a programmer, this article will help you to programmatically extract images from eBooks in C# within .NET applications.