The one nice thing about books offered for sale here is that they are decidedly cheaper than their print counterparts. This is the way ebooks should be priced. The major benefit of buying from Powell's is that you can immediately download the titles you purchase. Sells the Rocket eBook and Rocket Editions. Sells the Softbook reader and books which can be read on it.
Content is provided in several different formats.
In other words, your purchase price doesn't buy you a single copy of the book. It's more like a one-time lease payment. However, Alexandria claims this is better for the consumer because it gives them the ability to always download the latest version of the title in any of the currently available formats. Sells electronic books in a variety of different formats. They also sell some audio versions as well.