These e-reading devices are incredibly popular but in reality, eBooks aren't restricted to being read simply on an e-reading device such as those listed above.
If you use an e-reading device, then your purchased book will download to the device the next time it syncs up to your chosen service.
Every e-reading device offers free downloadable books.
An eBook is delivered to your e-reading device instantly.
The Nook is an e-reading device sold by Barnes & Noble Booksellers.