how to get the 10 marchant price list for item with ASIN using Zend_Service_Amazon

Question

hi i am new in Zend framework ,i want to compare price of the item from at least 10 merchant using the Zend_Service_Amazon,i get the much information about only one merchant,and what of all other function that provide by amazon like selllerlookup etc.

Have Dream Day

Thanks in Advance