This series is a collection of texts for children which contains playing activities aimed to encouraging the development of the main cognitive skills following the Montessori method and its most typical topics. The contents follow a progressive complexity to challenge the children to complete various tasks with great results all by themselves. My First Book About the World. Using the Montessori concept of nesting elements where smaller elements are contained in progressively bigger ones, the child can see the logical sequence of their surroundings: to the house, city, country, continent and planet that they calls home. At the end of the book, the world is presented from a wider perspective, space, and from there, the world becomes the Planet Earth. Ages: 6 plus