Book excerpt: Starting in Spring 2010, the International Ludwig Wittgenstein Society will be publishing a new series of Wittgenstein Studies with Walter de Gruyter Publishers; the series is designed as an annual forum for Wittgenstein research. The Wittgenstein Studies publish articles and materials on Ludwig Wittgenstein s life, work and philosophy and on his philosophical and cultural environment. The majority of the articles in the Yearbook are concerned with his Tractatus Logico-Philosophicus, and there is a section on core themes."