--- /dev/null
+#!/usr/bin/env bash
+#
+# List all bookcodes.
+
+if [ ! -d "$AONDIR" ]; then
+ >&2 echo "Please set the AONDIR environment variable"
+ exit
+fi
+
+book_db="$AONDIR/common/sqlite/bookcodes.db"
+
+sqlite3 -column -noheader "$book_db" "select book from bookcodes order by book"