Update book links

Author: Jason Kridner

README.htm

@@ -420,13 +420,13 @@ <h2 id="books">Books</h2>
 <iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwqa3e">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1DYDyHI">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwp6ME">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1P8JR7w">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwp6ME">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1PxxOLN">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2qcPKq5">
 </iframe>
 </div></div>
 <h3>Bad to the Bone</h3>

START.htm

@@ -420,13 +420,13 @@ <h2 id="books">Books</h2>
 <iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwqa3e">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1DYDyHI">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwp6ME">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1P8JR7w">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2rwp6ME">
 </iframe>
 </div><div style="display:table-cell;padding:10px;">
-<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://amzn.to/1PxxOLN">
+<iframe style="width:120px;height:240px;marginwidth:0;marginheight:0;" frameborder="0" src="https://bit.ly/2qcPKq5">
 </iframe>
 </div></div>
 <h3>Bad to the Bone</h3>