This was the most downloaded Kindle book on Amazon Prime Day

According to a recent Amazon press release, sales on the 2017 Prime Day surpassed Black Friday and Cyber Monday, making it the biggest day ever in Amazon history. With deals leading up this year's Prime Day, Prime members were able to take advantage of many Kindle promotions which included saving up to 40 percent on a Kindle Unlimited membership.

One book, in particular, stood out amongst all of the Kindle promotions. The most downloaded Kindle Unlimited book was Stillhouse Lake by Rachel Caine. The book also ranks #5 in the 'Most Read' category according to Amazon Charts.

If you happened to miss the Prime Day promotions, you can shop the book below for over 30 percent off!

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