This book is designed to mimic the appearance of a collection of case files from Abstergo, an integral element in the Assassin’s Creed storyline. It offers an in-depth exploration of the technology that enables characters to relive their ancestors’ lives, a key concept in the Assassin’s Creed series. The book is not only filled with research, data, and detailed explanations from Abstergo but also includes schematics and illustrations. Furthermore, it contains historically relevant artifacts linked to the game’s journey through time, presented as if they were collected and conserved by Abstergo over many years. The book, focusing on Assassin’s Creed: Unity, provides an unprecedented insight into the workings of the fictional corporation at the center of this popular video game series, with high-quality illustrations and comprehensive details.