Some really are pocketable. Others are waterproof or offer physical page-turning buttons, while a few even let you take notes ...

The Boox Note Air 4C is a color e-ink reader, a digital notebook, and an (almost) full-fledged tablet computer in one. It's not a device for everyone, but it's an excellent version of what it is.

Onyx Boox is a brand that has worked hard at excelling in this category, defeating the likes of the Amazon Kindle for the ...