Per this Atlantic article, three titles set to come out as Penguin Classics Deluxe editions this fall will be part of a new Penguin Threads series.
Penguin commissioned Jillian Tamaki to design (and stitch!) the cover art for Black Beauty, Emma, and The Secret Garden.
Of course I have to have these editions even though I'm sure I already have copies of each of these novels. What I particularly like is that apparently the covers are going to be printed in such a way to lend texture and emphasize the stitchwork.
Check out Tamaki's blog post about the project. It has some great in-progress shots.