The Oxford · Keys Primary Supplementary Exercises “Exam Success Series” is designed to help students excel in tests and exams. Each exercise book closely follows the Education Bureau curriculum and is carefully written based on textbook learning points. The question types are diverse, with some incorporating numerous past papers from top schools. Each book includes detailed answer explanations, problem-solving strategies, and even self-learning videos. These resources significantly improve revision efficiency, ensuring students are well-prepared and confident to achieve success in exams.