6G-Life: Unveiling the Future of Technological Sovereignty, Sustainability and Trustworthiness, gives a journey into the multifaceted landscape of 6G technologies. It transcends the conventional boundaries of wireless communication as it dives into groundbreaking areas like joint sensing and communication, terahertz frequencies, and optical links, while also delving into quantum communication and molecular communication, revealing the captivating potential of these emerging fields. The book's comprehensive approach ensures that readers are equipped to navigate the complexities of 6G not just theoretically, but with a clear roadmap for practical implementation. With insights drawn from the collaborative efforts of over 200 esteemed researchers in the groundbreaking 6G-Life project, the book presents an unparalleled depth of knowledge, seamlessly bridging the gap between theoretical exploration and practical application, making it an indispensable resource for researchers, industry engineers and students eager to explore the cutting-edge realm of 6G.