EPUB needs to be your 2nd alternative because it stands to be a universal eBook structure compatible with almost every eReader and application. Luckily, you'll be able to unenroll your book after a period of ninety days, so if you want to give it a attempt, you can do so https://maplepublishers.com/blog/is-it-essential-to-follow-the-trend-while-writing-a-book/