What is the main topic of the book 'Economía para empezar por el principio'?

The history of the construction industry in Argentina
The impact of the financial crisis of 2008 on the global economy
The main schools of economic thought and their theories
The relationship between production, distribution, circulation, and consumption
a) The history of the construction industry in Argentina
b) The impact of the financial crisis of 2008 on the global economy
c) The main schools of economic thought and their theories
d) The relationship between production, distribution, circulation, and consumption