Amazon offers two brands of subscription book libraries to choose from, but if you're audiobook listener primarily, one might be the standout preference.

We typically think of Black Friday and Cyber Monday as good opportunities to save on gadgets and pick up a few gifts at a discount before the holidays. But those savings extend to subscriptions and services in addition to tangible gadgets.

A three-month subscription to Kindle Unlimited is on sale for £0.99, saving you £27.48 on list price. This Black Friday deal is live until Dec. 2.