A new biography about The Smiths, "The Smiths. Piosenki o twoim życiu" (eng. "The Smiths. Songs about your life"), will be published on the 20 April 2018 in Poland. It was written by Maciej Koprowicz, a journalist of Antyradio.pl, an alternative music radio station and website.
Here's some information I found about the book:
I'll probably make a purchase and if there will be something new or worth mentioning, which I honestly doubt, I'll make sure to write about it.