The post discusses a new reference manual aimed at people interested in understanding how software and its foundational components work, rather than teaching actual software creation. This book promises to be accessible to non-technical readers through visuals and diagrams while offering foundational knowledge about topics such as microprocessors, data structures, and operating systems. User comments express excitement about the aesthetic design of the landing page and the concept of the book, along with requests for topics to be covered and concerns about the completion of chapters. There seems to be a mix of praise for the design and a demand for more substantial content, as well as confusion about the current status of the book's chapters.