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
Fourth book of Math Contest Books Series: Problem Solving Using Cauchy's Inequality
https: //www.amazon.com/dp/1541000285
Fifth book: the Completing Square Method: https: //www.amazon.com/dp/1542426626
9th book: Problem Solving Using Auxiliary Lineshttps: //www.amazon.com/dp/1975681754
10th book: https: //www.amazon.com/Problem-Solving-Using-Vietas-Theorem/dp/1542800056