You can learn more about Albert Einstein, the famous scientist and inventor, through the secrets book. It's a fun, educational game that is a great learning experience for kids. It is divided into different chapters, with a set of questions for each one. In each chapter, you will find a number of interesting facts about Einstein's life and his work.

To complete the book, you will have to answer a number of logic and memory tests. Some of them are related to music, others to geography, others to famous inventors, and others to famous scientists and other scientists.

Each chapter contains a number of tests.