1<?xml version="1.0" ?>
2<!-- Opening and ending tag mismatch -->
3<books>
4 <book>
5 <title>The Grapes of Wrath
6 <author>John Steinbeck</author>
7 </book>
8 <book>
9 <title>The Pearl</title>
10 <author>John Steinbeck</author>
11 </book>
12</books>
13
