Amazon has announced a premium entry to its Kindle e-reader lineup: the $289.99 Kindle Oasis. It’s designed to be held one-handed like a folded paperback, with a wedge-shaped hand grip that recalls the original Kindle, although Amazon brags that the screen is 30 percent thinner than any previous model. Since it’s intended for one-handed reading, the screen automatically flips depending on which hand you’re holding it with. Amazon says that the battery in the device’s leather case will stay charged for 8 weeks, based on a half hour of use per day with Wi-Fi off and the light setting at 10. While it’s unclear how much better it is than the $119.99 Kindle Paperwhite or $199.99 Kindle Voyage, some Kindle Oasis configurations are already delayed to ship after the 27 April 2016 launch date due to high demand.