The book "Image and Video Encryption" provides a comprehensive overview of the various techniques for encrypting image and video data. It covers both commercial applications, such as DVD and DVB, as well as research-oriented topics and the latest publications. The authors present different encryption techniques from a unified perspective and evaluate them based on their characteristics, such as security and speed. Through experimental comparisons of the approaches proposed in the literature, a deep understanding of the subject matter is conveyed. Additionally, the book includes an extensive bibliography that references relevant published materials.