"Interfaces in Total Hip Arthroplasty" is a specialized book that brings together the experiences of numerous experts and examines current opinions on optimizing interfaces in total hip replacement surgery. The success of a hip replacement largely depends on the long-term integrity of the fixation interfaces and the joint interface. The book addresses the critical factors that influence the quality of the component-cement interface and the bone-cement interface, including mechanical and biological aspects. It also discusses the importance of surface texture and shape of cementless implants aimed at achieving biological fixation. Furthermore, alternative, more durable material combinations and the challenges of modularity in hip surgery are explored. This book is a valuable resource for professionals looking to engage with the latest developments and challenges in hip surgery.