To read a book via any type of electronic device you need a “reader” thus eReaders. Though I love my Kindle others own Nooks and there are some less popular devices you can also read books on your computer (and some cellular telephones). I have found there are some books I prefer to read on my computer, example my bible.
TUnlike portable eReaders those that are on your computer can be downloaded FREE. Here are the links:
ACROBAT READER http://get.adobe.com/reader/
This is one of the more popular readers and is needed to reed PDF files.
ADOBE DIGTAL READER http://www.adobe.com/products/digitaleditions/
MICROSOFT READER http://www.microsoft.com/Reader/
MOBI POCKET READER http://www.mobipocket.com/en/downloadsoft/productdetailsreader.asp
KINDAL READER - http://amzn.to/sDxdLu