This is the fourth book in the series factbook.com by the author. Like every book in this series, this book also contains a variety of facts. It gives you information about the earthquakes that happened recently in Turkey and some dangerous eruptions of volcanoes. It satisfies some of your queries. Who was the first human being on earth? What will you find when you set foot on the moon? How can you make a trip to Mars? How do birds behave before mating? How daring was the ocean exploration without any technological support? What will happen to you when you enter a black hole? It deals with the creation of Pakistan and Bangladesh, the way of life of the British when they came to India, and much more. A change of topics will make the reading experience wonderful. The books in this series are nothing but a treasure trove of information that fuels curiosity.