https://suggestbooks.uservoice.com/forums/308269-book-suggestions/suggestions/36394255-two-volume-work-on-justification-by-michael-horton
+3, JRB.
[Y]
https://www.amazon.com/Justification-Two-Set-Studies-Dogmatics/dp/0310597250
Lo and behold!
https://www.logos.com/product/168834/justification-volumes-1-and-2
[Y][Y]
mm.