As the canal with the longest history worldwide, the Grand Canal has exerted its impact on China for over two thousand years. Now, it has been included in UNESCO’s World Heritage List. After reading this book, children will not only learn about the Canal but also the relating history, culture, geography, and engineering technologies. What was China like during the prosperous Ming Dynasty? How was water being channeled by the Grand Channel? What defense works were erected by the Channel? Answers to all these questions are to be found there. The book delivers knowledge about the Great Wall through various brain games including mazes, puzzles, rule-finding games, number games, computational games, passcode games, space games, sudoku, observation activities, drawing activities, and memory games. In this way, the book seeks to boost children’s comprehension skills, focus, observation skills, computational thinking, symbolic thinking, reasoning skills, and analytical skills. The brain games range from three stars and four stars to five stars according to their difficulty level.