The book examined the impact of petroleum sector and Economic growth in an emerging economy like Nigeria.The study became necessary due to the under development experienced in spite of the high revenue generated from the sales of crude oil at the international market in the study area. Generally, it is observed that petroleum sector had an impact on economic growth in Nigeria. The study concluded by identifying government expenditure as a driving force to economic growth in Nigeria. In addition, primary product export and Gross capital formation (investment) were identified as key variables that spur economic growth in Nigeria.