It comes as no real surprise that Amazon is now selling more ebooks than print or hardback combined and the introduction of Kindle in 2007 just four years ago has shot them to the forefront of digital books with in excess of 950,000 titles.
You can now take advantage of the many digital astronomy books on offer from the world's leading book retailer. There are some excellent titles now available and they are being added to on a regular basis.
Here's the do-it-yourself guide to creating your own success story with new technologies: the book that is helping thousands of authors and publishers to make a smooth and profitable transition to the digital publishing future, by Stephen Windwalker, the man who has learned from his experiences as an author, bookseller, and publishing executive to sell more copies than any other author in Amazon's Kindle Bookstore.
A Step-by-Step Approach to Publishing a Kindle Edition of Your Book or Document, Publishing Your Fiction on the Kindle Platform, Start Earning a Living Today Writing Articles for the Kindle,
The Business Side of Kindle Publishing, and Rebel Distribution and Amazon's Marketplace of the Mind: Why You Need a Publisher Like a Fish Needs a Bicycle. This handy manual runs 142-pages in print-length; 41,000 words. The Complete Step-By-Step Guide To Publishing Books
Free Kindle Books
There are over 1.8 million free, out-of-copyright, pre-1923 books for the Kindle, including titles such as The Adventures of Sherlock Holmes, Pride and Prejudice, and Treasure Island.
The Amazon "Kindle" devices appear to work well with Project Gutenberg titles, including the different versions (DX etc.). Amazon has made instructions readily available for downloading Project Gutenberg titles in Mobi format. See them at Amazon.com: Free Kindle Books Collection.