Learning Problem Solving VII: From Insight to Mastery is the advanced volume of the Master Thinkers stage of the Math Club & Competitions (MCC) curriculum, and the successor to the Growing Thinkers work of Volume~VI. It is written for high school students (grades 9-12) training for the AIME, the USAJMO and USAMO, the Canadian Mathematical Olympiad, and problems at the level of the IMO Shortlist.