Publisher's Synopsis
Exquisite illustrations, fun quizzes, rich knowledge and brilliant stories. The invention of the mystery of the bluetooth invention, which can transmit information without wires; the invention of the devil felt, through the American astronauts to make a name; the invention of credit cards, instead of money, making consumption more convenient; The invention of Arabic numerals has spread all over the world and spread all over the world! There is a surprising story behind the widely used objects in life, which will change the world and everyone's life.
