When it comes to an eBook reader, the choices are limited. The market is dominated by Amazon’s proprietary Kindle along with a few other options like Kobo, Nook and Onyx.
An interesting news for open source enthusiasts is that a developer, Joey Castillo, is working on creating an open
Technically, epub is basically a wepage and thus everything but easy.
You could just strip out the content with a big regex. Surely nothing could go wrong with ̴̬̮̳͔̬̹͖̩͍̄̈̓̀͋̀̎̊̈́̑͛͊̕t̶̘͇̺̠̗̓̿̆̓͋͗́͑͆̈́̈́͊̉̈̍̚ͅḥ̷̡̛͓̹͕̞͎̃͂̽͠ͅã̸͈̟̩̫̪̣̳̜̑̈́̓͗͘t̴̡̮̹͌́̄̔̂́̒͑͘.
You can unzip an epub and find out. Ive done it a couple of times to remove some images from books.
unzip book.epub