diff --git a/BESM4eExtras/sheet.json b/BESM4eExtras/sheet.json
new file mode 100644
index 0000000000..02fd6d05cd
--- /dev/null
+++ b/BESM4eExtras/sheet.json
@@ -0,0 +1,10 @@
+{
+  "html": "BESM4eExtras.html",
+  "css": "BESM4eExtras.css",
+  "authors": "John Davis, aka John D",
+  "roll20userid": "1905396",
+  "preview": "preview.jpg",
+  "instructions": "Made for the BESM 4th Edition Extras rules.",
+  "legacy": true
+}
+