This is the third book of Math Contest Books Series.
The book introduces the area method for solving geometry problems.
The book can be used by students preparing for math competitions such as Mathcounts, AMC 8/10/12, and AIME.
Each chapter consists of (1) basic skill and knowledge section with examples, (2) exercise problems, and (3) detailed solutions to all problems.
First book of Math Contest Books Series.
https: //www.amazon.com/Mass-Points-Method-Yongcheng-Chen/dp/1542458706
Second book of Math Contest Books Series:
https: //www.amazon.com/Balls-Boxes-Yongcheng-Chen/dp/1540390578