We would like to express our utmost thanks to all of the industry and academic contributors to this book. The quality of the book overall reflects the time and effort dedicated by them to structuring and writing their individual contributions, along with their willingness to impart their valuable knowledge and expertise. We look forward to future collaborations.

We would like to thank all of the dedicated staff at Wiley who supported us throughout the publication process. Your guidance to us and your work in producing the book to the highest of professional standards is much appreciated.

We would also like to thank Thomson Reuters, and in particular Alessandro Sanos, Carlo Mondani and Amrit Singh, who generously gave their time to sourcing and providing us with a range of professional figures and charts for Part I of the book. We would also like to thank Bloomberg, and in particular Ian McFarlane, for the screenshot permissions provided for the natural gas chapter.