diff --git a/.gitignore b/.gitignore
index 7585238..bd3a7c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 book
+.DS_Store
diff --git a/src/images/opb-book-cover.jpg b/src/images/opb-book-cover.jpg
index f15ec23..1f0b725 100644
Binary files a/src/images/opb-book-cover.jpg and b/src/images/opb-book-cover.jpg differ