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.

A 7" glare-free display, 16GB of storage, and a design made for little hands—perfect for young readers, now at $139.99.

Amazon's Kindle Kids is back to its discounted price, so you can snap up this Kindle and take advantage of the free access to classic kids' titles.

From students to office workers, and Android users to book lovers, these are the best digital notebooks on the market right ...