If you’re running out of space for physical books to enjoy, Amazon’s newest Kindles can hold thousands of digital ones, and some are on sale as part of the retailer’s ongoing Cyber Monday promo.

The sale is also available for readers who use the Kindle app or other e-readers, like Barnes & Noble Nook or Kobo e-readers. The Amazon Kindle on Paperwhite e-book reader is pictured in Lafayette ...