Welcome to mobileread, babbette.
Check this page for info on different devices, and don't hestitate to ask questions.......enjoy the forums.
https://wiki.mobileread.com/wiki/E-book_devices
PS......it took me about 1/2 hr to realize the benefits and advantages of an ebook reader over paper books......I still have my "shelf worthy" paper books, but wouldn't part with my reader......