Wretched Verses Issue 2 is out: A small sourcebook on opium dens for Wretched Époque or other OSR 19th-century role-playing games by Joe G Coombs.
Available at the Red Room store: https://moordereht.com/product/wretched-verses-issue-2-the-den
and Big Geek Emporium: https://biggeekemporium.com/product/wretched-verses-issue-2-the-den/