KPI Mega Library is one of the leading KPI resources for performance and strategic planning professionals. Main contributions to the body of knowledge: KPI Mega Library Book (17,000 KPIs): This Amazon best-seller guide book acquaint the reader with KPIs measuring performance in 32 industries, 33 government sectors, and 24 international topics. (8,000 KPIs): FREE website to give any internet user a quick and effective access to the most appropriate KPI in 761 different functions.