The Collected Works of Lev Semonovich Vygotsky comprise a series of six volumes, originally published in Moscow by Pedagogika between 1982 and 1984 and comprising the work done by Vygotsky between 1924 and his early death in 1934. The present vol ume is the first of this series to appear in English but it is actually Volume 2 in the Russian series. It contains a complete rendition of Thinking and Speech (which may be known to English readers as Thought and Language, the title assigned to an abridged, interpretative translation by Hanfmann and Vakar in 1962) and five Lectures in Psy chology...