Jade Twilight

An eBook is an electronic book, simple enough right. This is a book you read digitally on your computer, laptop screen, cell phone, PDA or on devices called ebook readers.

So why buy an ebook?

Well they're a lot cheaper than regular books.Usually between a $1.99 and $7.00. They take up less space, instead of book cases full of novels, you can have a file on your PC. You can also search for your favorite authors on line and download them almost instantly. 

The most popular formats for ebooks-

HTML
ADOBE PDF - Adobe Acrobat
LIT - MS Reader
PRC - MobiPocket, Kindle

For more reading on ebooks & their formats- 

http://en.wikipedia.org/wiki/E-book

http://en.wikipedia.org/wiki/Comparison_of_e-book_formats

To download reader software for your computer-