In recent years, the problem of consciousness has developed into one of the most important and hotly contested areas in the philosophy of mind. Concise, up-to-date, and engaging, this book features two main characters, Tollens and Ponens - unemployed graduate students who secretly live in a university library - who bring this debate alive. Tollens and Ponens examine the most significant theories and arguments in the field, quoting key passages from both classic and contemporary texts. Their discussion encompasses an expansive and diverse range of ideas, from those that originated in the Enlightenment up to today's most current perspectives.