Though challenging for me because its subject matter is symbolic logic, Notebooks offers the reader an opportunity to experience Wittgenstein's interrogative technique for the philosophical problem of meaning. The experimentation of thought, the questioning that leads him beyond logic as a formal system (which can take care of itself), and the recurring interrogation of the meaning of logic that will be fully developed in the Tractatus and Philosophical Investigation are all present. As such, the Notebooks help to offer a more complete picture of how Wittgenstien thinks, the continuity of his thought, and how an open questioning of simple problems can lead to deeper insights. An excellent supporting work.