The ListInfo response group is a parent response group that returns the contents of the ListMinimum response group plus information about the list creator, the list's creation date, the list type (WishList, BabyRegistry, etc.), the number of items in the list, the number of pages in the list, and when the list was last modified.
Sample Response (REST)
<?xml version="1.0" encoding="UTF-8"?>
<ListLookupResponse xmlns="http://webservices.amazon.com/AWSECommerceService/2005-10-05">
<OperationRequest>
<HTTPHeaders>
<Header Name="UserAgent" Value="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"/>
</HTTPHeaders>
<RequestId>1DXA9CB8WN1Q5R71TAZT</RequestId>
<Arguments>
<Argument Name="Service" Value="AWSECommerceService"/>
<Argument Name="AssociateTag" Value="[Your Associate ID Here]"/>
<Argument Name="AWSAccessKeyId" Value="[Your Access Key ID Here]"/>
<Argument Name="ListId" Value="2WYHF5M2L9142"/>
<Argument Name="ResponseGroup" Value="ListInfo"/>
<Argument Name="ListType" Value="Listmania"/>
<Argument Name="Operation" Value="ListLookup"/>
</Arguments>
</OperationRequest>
<Lists>
<Request>
<IsValid>True</IsValid>
</Request>
<List>
<ListId>2WYHF5M2L9142</ListId>
<ListURL>
http://www.amazon.com/exec/obidos/tg/listmania/list-browse/-/2WYHF5M2L9142
</ListURL>
<ListName>Popular Christmas Books For Young and Old</ListName>
<ListType>Listmania</ListType>
<TotalItems>25</TotalItems>
<TotalPages>3</TotalPages>
</List>
</Lists>
</ListLookupResponse>
The Request that Generated the Response (REST)
http://webservices.amazon.com/onca/xml?Service=AWSECommerceService
&AWSAccessKeyId=[Your Access Key ID Here]
&AssociateTag=[Your Associate ID Here]
&Operation=ListLookup
&ListType=Listmania
&ListId=2WYHF5M2L9142
&ResponseGroup=ListInfo