There are plenty of e-ink e-book readers on the market already. The Inkplate 10 is a 9.7″ e-paper display with WiFi for your own projects. It is powered by an ESP32 microcontroller and can be programmed with Arduino IDE or MicroPython.
To get started, you can simply connect the display with a USB cable. The screen can be used to show temperature, weather, stock updates, and everything in between. You can also use it to display art, type, or keep up with your to do lists.