Greetings!
Here is a laundry list of useful how-to articles to help you get your books onto your e-reader.
Enjoy!
How to Manually Sideload an Ebook using Calibre
Acer Android Tablet: http://acer.custhelp.com/app/answers/detail/a_id/10544/~/how-do-i-load-ebooks-onto-my-acer-android-tablet%3F
Apple iOS (iTunes) device: http://ebookfriendly.com/3-ways-add-ebooks-iphone-ipad/
Kindle: http://www.amazon.com/gp/sendtokindle
Kobo: https://www.kobo.com/help/en-US/article/3174/adding-books-to-your-kobo-ereader
Nook Simple Touch: http://wp.me/p2k4dY-iU
Samsung Galaxy: http://ebookfriendly.com/books-on-samsung-galaxy-tab/
Windows phones via free Bookvisor app: http://bookviser.com/
Sideload any file using Calibre: http://wp.me/p2k4dY-iU