Mobile phone provider O2 is giving all customers free access to Amazon 's Kindle Unlimited service for three months. Anyone with an O2 Priority account can redeem the special offer which is running until 18 June.
A redemption code will be made available all Priority customers, which must be used by 21 June. With Kindle Unlimited users can get access to over two million books, including fiction and non-fiction bestsellers, comics and audio books.
The subscription, which is normally worth £7.99 a month, also offers access to a wide range of magazines including Grazia, Heat and Men's Health.
O2 users are advised to cancel their subscription before the three-month free trial period to avoid being charged the normal fee by visiting