public function ItemLookup($asinList, $onlyFromAmazon = false) {
		if (is_array($asinList)) {
			$asinList = implode(',', $asinList);
		}

		$params = array(
			'Operation' => 'ItemLookup',
			'ResponseGroup' => 'ItemAttributes,Offers,Reviews,Images,EditorialReview',
			'ReviewSort' => '-OverallRating',
			'ItemId' => $asinList,
			'MerchantId' => ($onlyFromAmazon == true) ? 'Amazon' : 'All'
		);

		return $this->MakeAndParseRequest($params);
	}