04ac3695_se_Notes___Amazon_Web_Services__Issue
[Description] To optimize search results, grouping of similar items is not done until the items are viewed. When the items are viewed and the grouping occurs, the page count shrinks. [Impact] Do not use applications or websites that make use of the TotalPages element. [Issue] 
The total number of pages returned from a search request decreases as you page through the results.
Release: Amazon E-Commerce Service on 2007-07-23 : Release Notes : Amazon Web Services