<?xml version="1.0" ?><ItemLookupResponse xmlns="http://webservices.amazon.com/AWSECommerceService/2005-10-05"><OperationRequest><RequestId>c897f57b-c3b1-49bc-879c-55dcfc238fe4</RequestId><Arguments><Argument Name="Operation" Value="ItemLookup"></Argument><Argument Name="Service" Value="AWSECommerceService"></Argument><Argument Name="ItemId" Value="0-7645-7949-5"></Argument><Argument Name="IdType" Value="ISBN"></Argument><Argument Name="AWSAccessKeyId" Value="02NDPFGZ9A35HRBQ9NG2"></Argument><Argument Name="ResponseGroup" Value="Medium,Offers"></Argument><Argument Name="SearchIndex" Value="Books"></Argument></Arguments><RequestProcessingTime>0.0703070000000000</RequestProcessingTime></OperationRequest><Items><Request><IsValid>True</IsValid><ItemLookupRequest><Condition>New</Condition><DeliveryMethod>Ship</DeliveryMethod><IdType>ISBN</IdType><MerchantId>Amazon</MerchantId><OfferPage>1</OfferPage><ItemId>0-7645-7949-5</ItemId><ResponseGroup>Medium</ResponseGroup><ResponseGroup>Offers</ResponseGroup><ReviewPage>1</ReviewPage><SearchIndex>Books</SearchIndex></ItemLookupRequest><Errors><Error><Code>AWS.InvalidParameterValue</Code><Message>0-7645-7949-5 is not a valid value for ItemId. Please change this value and retry your request.</Message></Error></Errors></Request></Items></ItemLookupResponse>