This book consists of 12 different units, one figures and shapes unit  and two groups of exams. Each of the first 12 units contains two parts. The first part summarizes the main concepts, rules and theorems needed to solve the questions related to the unit and there will be some solved examples. The other part will an quiz, when you retake the quiz, a new different questions will appear to you. Most of the question are solved in detailed steps. Then you may consider the figures and shapes unit as revision to all previous units. Finally, the two groups of exams will be a simulation of the real CPP exam where you may practice 1 hour, 2 hours, and 3 hours exams.