E-ink seems to have gotten a revival in recent years with a 12" 2560x1600 module.

https://www.aliexpress.us/item/3256806736949163.html

The 1st obstacle is aliexpress not accepting any lion credit cards.  The 2nd obstacle is the lack of any protocol documentation.  You have to develop a board to drive it. 

https://www.aliexpress.us/item/3256808150317618.html

They have a driver board for twice the price of the screen.  Thus a complete 2 page solution would be more than a 4k monitor.