This book is for every age, anyone who can read and who is interested in what time is,
will be the main audience.
It explains why people think the time is relative, what is time, and gives the audience examples of different
devices to "measure" time, also explain why time travel is not possible.
If you want to know how to better explain to your kids, your friends or your students about what Time means, then in this book you will find the answers.