The book by Sergey Lutai and Sergey Baidachny "Windows 8 for C # developers" is not an official guide to developing Windows 8 applications, the purpose of the book is to familiarize you with the capabilities of the new Microsoft operating system in terms of software development. The book does not tell about the innovations of Windows 8 from the user's point of view, the main efforts are concentrated exclusively on creating applications for the new operating system.