In Dangerous Weapons: The Sicilian,John Emmsand Richard Palliser team up to investigate by far the most popular and widely-played chess opening, but in a revolutionary way. They select an abundance of opening weapons for both White and Black, many of which are innovative, visually shocking, incredibly tricky, or have been unfairly discarded.
The proofs in the pudding. 7 years ago a high school friend of my daughter who only played on line and studies chess played some of these lines at the Boylston Chess Club New Year Days tournament. His first tournament. He won two games, tied one and lost one against 1600 to 1800ish players.