Introducing Book 1: Building New Unified Theory with eraser and ballpoint pen The series book "The Universe is a Unified Object" is the foundation of the new physical science of the 21st century The book 1 "Building New Unified Theory with eraser and ballpoint pen" has provided complete answers to 30 major physics problems of the 21st century. Examples include the theory of everything, the refinement of the theory of relativity, the cause of particle mass, etc.. The book (in English) is available on Amazon: https://www.amazon.com/dp/B0HCGYPFK1