Grades 3-6. This book is part of a series written about extreme careers. It covers all aspects of working offshore and provides a good overview of the industry. The book begins with the history of the offshore oil industry, then covers the different type of oil rigs and how they operate as well as the different types of jobs available, safety measures and how workers spend their spare time while offshore. There are lots of great pictures and a glossary, index and suggestions on how to find more information about the topic. Paperback 2013 32pp. Paperback.