(Co)end Calculus: 468 is a groundbreaking addition to the London Mathematical Society Lecture Note Series, exploring the innovative concept of coend calculus. Edited by notable contributors from the field of mathematics, this book delves into the intricate world of category theory, providing a comprehensive overview of coends and their applications in various mathematical disciplines. With a focus on theoretical frameworks and practical implications, this book is a must-read for mathematicians and scholars interested in pushing the boundaries of mathematical understanding.