Amazon.com on Thursday added books read aloud by celebrities, authors and others to the library of works that can be wirelessly downloaded to the latest generation Kindle electronic readers.

More than 50,000 works from Amazon subsidiary Audible Audiobooks have joined the list of titles available for purchase using wireless telecom connections built into the Kindle.

Previously, users needed to download digitized files of from the Audible.com website and then transfer them to the devices with USB memory sticks.