Book excerpt: Filling a gap in the literature, this is the first book to comprehensively discuss 3D printing applied to bone surgery. It provides both the scientific basics and practical applications, with a special focus on 3D-printed, custom-made titanium prostheses (3DPCMP) used for bone reconstruction following tumor resection. Initially applied to pelvic and scapular prostheses – because of their of highly complex anatomy – this technology is increasingly being adopted in other fields of orthopedics, such as limb surgery, traumatology and degenerative diseases. Throughout the book, experts from various fields share their knowledge, describing 3D printing applied to the reconstruction of different bone segments, reviewing each application and comparing it with traditional reconstruction. They also present real-world case studies from their clinical practice. Uniquely responding to the growing interest surrounding 3D printing for bone reconstruction, this book is invaluable for orthopedic, neuro- , head and neck as well as maxillofacial surgeons wishing to gain insights into this new and promising field.