The book "Controversies in the Technical Aspects of ACL Reconstruction" offers a comprehensive analysis of the current challenges and discussions in the field of anterior cruciate ligament (ACL) reconstruction. It is aimed at professionals who wish to engage with the latest findings and evidence-based information on critical topics such as the selection of graft materials, various surgical techniques, and the impact of surgical methods on the risk of graft ruptures and the development of osteoarthritis. The authors, including renowned experts like Volker Musahl and Stefano Zaffagnini, provide well-founded information to assist surgeons in decision-making, particularly regarding fixation devices, tension adjustments, and the treatment of partial ruptures. Additionally, innovative technical developments for measuring knee instability and navigating soft tissue are discussed, making the book a valuable resource for surgical practice.