GET FREE MYSTERY E-BOOKS: The latest Stuff Your Kindle Day ... don't count towards the 20 books per month that Amazon Kindle Unlimited subscribers can borrow, so don't hold back.

How to get free books on Stuff Your Kindle Day. Get romance books featuring “cinnamon roll main male characters.” ...

Kindle Unlimited usually costs £9.49 per month, which is £28.47 for three months, so getting this for 99p is a real steal.