A great book to discover 16 of the most important cities in the world: Barcelona, ​​Berlin, Buenos Aires, Cairo, London, Madrid, Mexico City, Moscow, New Delhi, New York, Paris, Beijing, Prague, Rome, Sydney and Tokyo. In addition, each double page there are six hidden objects to discover. With web additional information about each city. At the end of the book, you will see where each city is in the world over a nice map.

The books in this collection make a funny and interesting treatment of the information, on an easy tone, the give curious data about the great issues of our history. They are not just an enumeration of knowledge but, also, a game to stop and slowly turn the pages. The information is selected by the interest that may intrigue children, stories, those that are worth of remind, close to the youngest. Each page contains links to internet for further information. The double-page illustrations provide a comprehensive overview of each one of the thematic units. Each scene also raises a challenge of observation: there are six objects hidden to be found. When it seems that the books are done, both in reading and searching for hidden items, we reach the last page where we propose to seek the protagonist of each page, in their respective scene. In this last page we propose to restart the book for a more specific search so that the contents will remain in a special way and we will "know more" forever.