Monotone (Monotonic) Systems are usually referred in pertinent literature as dynamic systems, and are described via differential or difference equations. In this book, the term Monotone Systems is adopted, as originally proposed by the author (Mullat, 1971), who was not aware at the time that this term was already in use in a different context. Therefore, it is just a coincidence that the term Monotone Systems is adopted here, as it bears no connotation to its original usage. The individual or group to whom the author intended to address the book includes a very small audience of hyper-knowledgeable specialists in Game Theory, Data Analysis with interests to Informatics and Communications, Welfare and Network Economics or Social Sciences. However, if you are a high performing undergraduate or master student and have a strong desire to undertake a PhD program at doctoral schools, the materials may be useful notebook for novel ideas.