diff --git a/epub-to-mobi.sh b/epub-to-mobi.sh
new file mode 100755
index 0000000..a0f6f76
--- /dev/null
+++ b/epub-to-mobi.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env fish
+
+for file in (find -type f | grep epub | grep -v "epub-to-mobi" | sed 's/\.[^.]*$//')
+  ebook-convert $file.epub $file.mobi
+end