¿Gastar O Invertir? Spend or Invest?

ENGLISH: In this book, Petra and Lili learn the difference between spending and investing. This is a key concept in financial literacy and a key foundation for life success.

ESPA OL: En este libro, Petra y Lili aprenden la diferencia entre gastar e invertir. Este es un concept clave en la educaci n financiera y un fundamento clave para el xito.