*The Great Unknown: Seven Journeys to the Frontiers of Science* by Marcus du Sautoy is an exploration of some of the most intriguing and uncharted areas of contemporary science. Through seven captivating journeys, du Sautoy delves into the mysteries that lie at the edge of human understanding. From the depths of quantum mechanics to the vast expanse of the cosmos, the book offers a vivid and accessible account of cutting-edge research and the scientists pushing the boundaries of knowledge. With engaging storytelling and deep insight, du Sautoy invites readers to join him on a voyage through the frontiers of scientific discovery.