Large Print Shadow Drop of Tress of The Emerald Sea?

[RoboKun]

So, I was looking around on goodreads and found out that there's going to be a large print edition of Tress of the Emerald Sea, and despite quite a bit of searching, there seem to be zero details on it other than it's coming out. No news articles on the usual channels, no nothing. 

I have a friend who has vision issues and is chomping at the bit to have physical releases of the books that he can actually read. Worth noting that he's also somewhat worried about the quality of the print, as large print version tend to be largely barebones. 

Anyone know if this is going to be a one-off, or is there going to be more of them coming down the line?