diff -urpa mc-4.8.31.orig/misc/mc.ext.ini.in mc-4.8.31/misc/mc.ext.ini.in
--- mc-4.8.31.orig/misc/mc.ext.ini.in	2024-01-20 20:34:38.000000000 +0100
+++ mc-4.8.31/misc/mc.ext.ini.in	2024-04-03 21:49:49.793099557 +0200
@@ -800,7 +800,7 @@ Open=@EXTHELPERSDIR@/doc.sh open comic
 
 # Epup, mobi, fb2
 [ebook]
-Regex=\\.(epub|mobi|fb2)$
+Regex=\\.(epub|mobi|lrf|lrs|azw[123]?|pobi|lit|fb2)$
 RegexIgnoreCase=true
 Open=@EXTHELPERSDIR@/doc.sh open ebook
 View=%view{ascii} @EXTHELPERSDIR@/doc.sh view ebook