Children Book "I need to know"

"I need to know": An introduction to the Oil Industry and OPEC tells the story of oil. It tells how crude oil - or, using its more technical term, petroleum - was discovered, how it is explored and taken from the ground and made into other products. Over the last 150 years, oil has had many benefits and applications in our world - in industries, in medicine, at home and in transportation. It has shaped our world in many important ways.