diff --git a/.gitignore b/.gitignore
index e7bb5b5..0fa1f03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,5 +54,6 @@ book/book-azw3/
 book_sans_serif/
 book_serif/
 release_sans_serif/
+book/book_sans_serif-epub/
 epub/
 *.opf
diff --git a/book/images/cover-page.jpg b/book/images/cover-page.jpg
old mode 100755
new mode 100644
index 823e4f1..f39c29b
Binary files a/book/images/cover-page.jpg and b/book/images/cover-page.jpg differ