Amazon Prime Day is in full swing with tons of deals on books and e-readers. The massive buy two, get one free sale has been running since monday and it includes a ton of popular titles, box sets, and even some manga. If you've been looking forward to Prime Day to stock your bookshelf with some awesome reads, now is the perfect time to do so.

Frieda McFadden has become the queen of thrillers over the years and whether you're a longtime fan or just curious about the hype, now is the time to build your shelf dedicated to her. Not only is The Boyfriend on sale, but so is The Inmate, The Perfect Son, The Housemaid is Watching, and a special 3-book box set.