No, you probably don't need another device. But you might need a Kindle. There are a decent number of e-readers on the market ...

I like this for searching my Kindle notes," she says ... least two to three books per month from the vast Kindle Unlimited ...

Kindle Unlimited subscription at $11.99 ... But, unlike a physical library book, you can check out a book in your pajamas at 2am without leaving your house. Finally, Amazon’s Kindle store ...

After all, unless you have a Kindle Unlimited membership, chances are that you're going to want to add new books to your library every now and then. You may think buying books via the Amazon ...