Let's talk about the USA

Let's talk about the U.S.A is a series of dialogs which talk about the United States of America such as the history, the 13 former colonies, the federal government, the flag, the constitution, the Presidents, the territory of Puerto Rico, the White House, a part of the USA education, Holidays in the USA, Washington DC, the US citizenship, the American and Guinean cultures, some important dates of the USA and the 50 states.
The main aim of the book is to help American Studies teachers improve their knowledge and help students improve their English through the dialogs and get knowledge about the USA.