¿Qué fuentes debo usar?: Fragmentar el problema (Which Sources Should I Use?: Breaking Down the Problem)

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

Beautiful illustrations translate into suggestive images the two faces of the sea?the calm and the wind?enabling children to understand the meaning of the words themselves.

Spanish language edition. This extraordinary counting book is full of astonishing illustrations and amazing facts about the fascinating world of insects. Once again, Jerry Pallotta's perfect blend of information and humor has created a favorite for children and adults.

Tells the story of a 1740 trip of the Mania Galleon from the point of view of Admiral Gerónimo Monteiro, based on the testimonies of several travellers from that period.