The latest book by Peter Roberts, Drafting and Negotiating Petroleum Royalty Agreements, is a timely examination of one of the key project contracts that underpin such exploration and production… Points made throughout the book are often accompanied by drafting or worked economic examples. While the author notes these ‘represent the counsel of perfection’, they do provide an extremely useful reference to better illustrate the points being made… Overall, this book is likely to be a valuable resource for legal practitioners, energy industry professionals and students who are interested in learning or refreshing their knowledge of petroleum royalty agreements.