Not really. You can get by without Potter knowledge(as usual, this author mangles it a fair bit anyways), but the plot is heavily tied into that of Firefly/Serenity, and the Firefly characters are more prominent. That said, feel free to read his Potter-only stuff instead—I haven’t gone through his whole oeuvre, but everything I’ve read has been hilarious and well-written.
Not really. You can get by without Potter knowledge(as usual, this author mangles it a fair bit anyways), but the plot is heavily tied into that of Firefly/Serenity, and the Firefly characters are more prominent. That said, feel free to read his Potter-only stuff instead—I haven’t gone through his whole oeuvre, but everything I’ve read has been hilarious and well-written.