The Categorical Imperative Guidebook explores the philosophical bases behind the concepts introduced in the novel. These include the philosophy of Socrates, Aristophanes, John Stuart Mill, Immanuel Kant, George Berkeley, Jean-Jacques Rousseau, David Hume, and John Searle, as well as the ideas, beliefs, and works of John Milton, William Shakespeare, Isaac Newton, Albert Einstein, and Alan Turing.This guidebook can be used by instructors, but it has been written to be accessible to students themselves so that they can delve deeper into the philosophical content that is the basis for the novel. It provides for each chapter a summary of the plot developments, a philosophical basis for the key concepts of the chapter, discussion questions, and suggestions for further exploration to extend the learning.