Until September 15, you can sign up for three months of Kindle Unlimited for just $11.99. Regularly $35,97, Kindle Unlimited is Amazon's subscription service for e-books. This deal not only gets you three months for the price of one, but also access to over four million titles, thousands of audiobooks, and select digital magazines.

Kindle Unlimited is a monthly subscription service offered by Amazon that allows users to access a vast library of digital books, audiobooks, comics, and magazines. This service is particularly beneficial for avid readers who want to enjoy a wide range of titles without the need to purchase each book individually.

Amazon is celebrating the 10th anniversary of Kindle Unlimited by adding exclusive titles available for a limited time, offering exciting deals for current and new members, and unveiling its all-time top titles.

Since Amazon's subscription service was launched in 2014, the company says that three billion books have been read via Kindle Unlimited and that it has paid out over $3.5 billion to Kindle Direct Publishing authors.

Kindle Unlimited members can get additional months of the service for free, while new members can get 3 months for the price of 1.