ISBN-13: 9781467905930 / Angielski / Miękka / 2011 / 108 str.
Since they had told him that he was the seven billionth child born on earth and since he was at that age when everything is taken seriously, he could not get those words 'seven billionth' and 'world' out of his head and he did not really know if he was the number or the world or even both. Anyway, he opened up his eyes and took at heart the numbers and facts of the world.