This operation primer provides excellent photographic step-by-step guidance to this surgical procedure. It has been designed to describe the operation in the simplest manner possible without over-simplifying the complexities involved. Nodal points are at the core of the operation primer, describing the key surgical steps in detail. This surgical guidebook provides essential reference material for surgeons wishing to improve and update their knowledge in this specific area.The operation primer Laparoscopic Sleeve Gastrectomy is specially created for surgeons wishing to familiarize themselves with minimally invasive stomach-restrictive surgical techniques. The worldwide use of laparoscopic sleeve gastrectomy (vertical sleeve gastrectomy) is consistently increasing in popularity. This type of surgery can be safely integrated into obesity and metabolic treatment programs resulting in weight loss, reduction in co-morbidities and increased quality of life. This operation primer is an excellent teaching tool, accurately describing the steps of this standardized technique in a manner suitable for both beginners and experienced surgeons. It provides a detailed overview of patient preparation, key surgical steps and common pitfalls of Laparoscopic Sleeve Gastrectomy. This operation primer will provide surgeons with a reliable and systematic approach to performing Laparoscopic Sleeve Gastrectomy.