2. Wang Youlian, the winner of the Su Prize and a special math teacher: As this book says, the thinking of solving math problems has made a great leap, and intuition and association are more important than logic. "Igniting Mathematics" in the book is a good way to cultivate mathematical intuition and associative ability, which can help students get out of the maze of mathematics.
3. Roommate Feng Tiefu (the top scholar in Jilin Province): This book is very well arranged, with secrets, including "internal skills" that make people work harder and more efficiently, as well as "external skills moves" in specific disciplines. The page-turning animation in the book is also cool.