Welcome to the book of mysteries and reveal all the secrets using scientific knowledge! You will find that most of the seemingly unsolvable questions around you have a logical solution. Science has never been more fun! You can solve mysteries alone, with friends or with the whole family. Become a real scientist! Pay attention to the details, use your brain and solve all the mysteries. Dedicated to children aged 8 and up and their parents who want to get to the bottom of mysteries.