How Was Writing Invented in the World?

"How was writing invented in the world? How did the human species come to such a realization that we could turn whatever we do in speech into visible signs?" "i wanted to probe this from adifferent perspective. And i want to understand how a shapes that we see in writing systems have looked the way tat they do," he says. The author also wants to find new strategies to decipher writing systems still not deciphered.