diff --git a/buyfromamazon.png b/buyfromamazon.png
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index 0000000..b883aac
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diff --git a/index.html b/index.html
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--- a/index.html
+++ b/index.html
@@ -22,13 +22,14 @@ body {
 	font-family:	MinionPro,"Times New Roman";
 }
 table {
-	margin:	auto;
+	margin:		auto;
 }
 h1 {
 	font-family:	Lato,Helvetica;
 }
 td {
 	padding:	1em;
+	vertical-align: top;
 }
 code, pre {
 	font-family:	InconsolataGo;
@@ -55,7 +56,12 @@ p {
 </head>
 <body>
 <table><tr>
-<td><a href='http://www.amazon.com/dp/0134190440?tracking_id=disfordig-20'><img border='1' src="cover.png" height='600'/></a></td>
+<td>
+  <a href='http://www.amazon.com/dp/0134190440?tracking_id=disfordig-20'><img border='1' src="cover.png" height='600'/></a>
+  <br/>
+  <a href='http://www.amazon.com/dp/0134190440?tracking_id=disfordig-20'><img border='0' width='150' src="buyfromamazon.png"/></a>
+</br>
+</td>
 <td width='500'>
 <h1>The Go Programming Language</h1>
 <p class='center'>
@@ -76,14 +82,16 @@ Addison-Wesley; 320pp; ISBN:&nbsp;978-0134190440<br/>
 <h1>4. Composite Types</h1>
 <h1>5. Functions</h1>
 <h1>6. Methods</h1>
+<h1>7. Interfaces</h1>
 </td>
 <td>
-<h1>7. Interfaces</h1>
-<h1>8. Concurrency</h1>
-<h1>9. Packages and the Go Tool</h1>
-<h1>10. Testing</h1>
-<h1>11. Reflection</h1>
-<h1>12. Low-Level Programming</h1>
+<h1>&nbsp;<!--blank--></h1>
+<h1>8. Goroutines and Channels</h1>
+<h1>9. Concurrency with Shared Variables</h1>
+<h1>10. Packages and the Go Tool</h1>
+<h1>11. Testing</h1>
+<h1>12. Reflection</h1>
+<h1>13. Low-Level Programming</h1>
 <h1>Index</h1>
 </td>
 </tr></table>