It's not often you get something for less than £1 but that's exactly what Amazon is dishing out right now. The online retailer has just confirmed that it's offering a swathe of Kindle deals - thanks to its big Book Sale event - which includes the option to sign up for Kindle Unlimited access for just 99p per month.

The main downside of a Kindle is the upfront cost of actually buying one. They are fairly expensive if you want the newer models, and Amazon doesn't offer Kindle device deals that often. So when there's a sale like the one happening right now,