diff --git a/less/core.less b/less/core.less
index a25d867..66ce3ba 100644
--- a/less/core.less
+++ b/less/core.less
@@ -604,6 +604,9 @@ body#collection article, body#subpage article {
 	padding-top: 0;
 	padding-bottom: 0;
 	.book {
+		h2 {
+			font-size: 1.4em;
+		}
 		a.hidden.action {
 			 color: #666;
 			 float: right;