The success of eBooks has been an on and off thing for the last decade. Different readers and formats come and go, with Amazon’s Kindle system looking like it might have some staying power with over 225 thousand titles listed as of May 2009.

Now you can add the iPhone and its buddy the iPod Touch as viable competitors to the Kindle for publishing eBooks. The iPhone has many eBooks available free and for purchase from the iTunes App Store but in addition there is the new Kindle app for the iPhone and iPod Touch which gives readers access to the whole Kindle library without needing to have the Kindle reader.

For aspiring writers and authors who are already published, getting your eBooks listed for sale with Amazon and Kindle is a great way to start. Your eBook can be uploaded and listed without much time and cost, and Amazon will pay you a royalty of 35% on each eBook sold for Kindle. The drawback? There are only about 500 thousand Kindle units on the market so far.

Let’s contrast that with publishing your eBook for the iPhone and iPod Touch using your own iPhone app. You will first have to find a qualified iPhone developer to create your eBook app. There will be an upfront cost to develop your application and the time to get your eBook listed in the iTunes App Store can be several weeks. On the plus side, Apple takes only 30% of the sale price, leaving you with 70% vs. the 35% you get with Amazon/Kindle. And, remember that the iPhone and iPod Touch have a combined 40 million users vs. just 500 thousand for the Kindle.

There are also strong rumors of an upcoming super-iPod Touch, tentatively called the iPod MediaPad, that will be just under the size of the Kindle yet will have a larger screen with HD Video capability and full touchscreen keyboard – perfect for reading eBooks in addition to everything else the iPod Touch already does.

There are definite advantages for publishing your eBook with Amazon for the Kindle and there are also advantages for publishing your eBook for the iPhone and iPod Touch using a custom iPhone app. Authors who are looking to monetize their publications should seriously consider making use of both the Kindle and iPhone publishing platforms.

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