The proliferation of smart devices such as smartphones, tablets and e-readers, offers a new avenue to read books and acquire knowledge. Amazon Kindle offers more than 1 million digital books, among them books on GMAT.
For those looking for GMAT materials and are always on the move (or trying to squeeze some time for GMAT while commuting), consider GMAT books in digital format. All the popular books by Kaplan, Princeton Review, Veritas and Manhattan GMAT are available in this digital format from Amazon Kindle.
Amazon Kindle app (left) and GMAT digital books search results (right) on my HTC Desire HD Android smartphone
The only catch is you can't sell your digital books (or could you?)