For readers, the most important thing is being able to find the books they want to buy. In that regard, Oyster has a home run: The company has signed on all five major publishing houses. Penguin Random House, HarperCollins, Simon & Schuster, Hachette and Macmillan are all offering their books for sale through Oyster. So are several independents.
As the illustration above shows, Oyster's store offers books for sale and rent side-by-side. Want to read Dennis Lehane's "Live By Night"? You can buy the e-book for $11.99, or you can sign up for Oyster's subscription service -- $9.95 per month -- and read it for free.
In addition to "Live By Night," Oyster offers a million more titles in its subscription service, including J.K. Rowling's "Harry Potter" series.
Oyster joins Zola Books in the small market of e-book vendors that are hoping to position themselves as alternatives to
"I would be surprised if they became a huge force in terms of the overall e-book market as a result of this," publishing consultant Mike Shatzkin told Mashable. "It adds incremental value, but it's not a game changer."