The 50 Shades trilogy is entrenched in the top three spots on Amazon's Kindle chart, but a number of e-books with BDSM elements have also crept into the top 100. As of July 17, excluding the 50 Shades books, there were seven titles with BDSM themes in the top 100, which means that, including E.L. James's books, more than one out of 10 bestselling Kindle books fell into this category.

The seven non-50 Shades e-books included Sylvia Day's Bared to You, which was #8, and that book's upcoming sequel, Reflected in You (#65). Day's books are published by Penguin and are the only two that have print versions. The other five BDSM titles in the top 100 are e-book only and are $2.99 and under. The seven titles, all of which were published after Vintage rereleased the 50 Shades books in April 2012, are as follows:

Bared to You by Sylvia Day (#8)

Anything He Wants by Sara Fawkes (#25)

Training Tessa by Lyla Sinclair (#28)

By His Desire by Kate Grey (#62)

Anything He Wants 2 by Sara Fawkes (#63)

Reflected in You by Sylvia Day (#65)

Anything He Wants 3 by Sara Fawkes (#68)

On Amazon's print chart, the only similarly themed title (outside of Day's books) is Marisa Bennett's Fifty Shades of Pleasure: A Bedside Companion, landing at #66.