Collection of 7 books for children of 6 to 10 years with illustrations on each page, which can be purchased individually. Also a Coloring & Painting Book for kids of 2-5 years. Children can use these books in the school as "books of consultation" The Galactic girl leads the children up to the limit of the Solar system where they admire the beauty of Uranus and Neptune planets. There, Alex meets a cunning and manipulative character who gives him a ferocious start. Then they bump into the dwarf planet Pluto. Later, they approached to the Kuiper Belt where they meet the Ecological Balance Judge who gives the children a serious warning. It contains a glossary of 18 pages.A book that conveys enthusiasm, useful with instructive lessons very necessary for the learning of children, so that they develop the ability of observation. Full of beautiful illustrations.