Distribution rights for David Allen's books are established entirely by his publisher, Penguin, with each foreign publisher. We are so sorry, but we have no influence over distribution and are not involved in the process of determining where the books are released. We do know that availability varies widely by country and distributors. For example, in the U.S., you will find paperback, hardcover, Kindle, eBook and Audible.com versions. This is not the case at all for other countries and download versions in particular are restricted by territory (e.g. someone outside the U.S.

The "ePub" version is compatible with the iPhone, iTouch and iPad devices. You can purchase and download this version through the iBookstore in iTunes, if available in your country. Many people also download a Kindle reader app for these devices and buy the Kindle version of the book.