002+ <books><book><title>The Grapes of Wrath</title><author>John Steinbeck</author></book><book><title>The Pearl</title><author>John Steinbeck</author></book></books>
002- <books>
003- <book>
004- <title>The Grapes of Wrath</title>
005- <author>John Steinbeck</author>
006- </book>
007- <book>
008- <title>The Pearl</title>
009- <author>John Steinbeck</author>
010- </book>
011- </books>