Collection of 14 volumes: "The Bolshevik Revolution" (3 volumes), "The Interregnum" (1 volume), "Socialism in One Country" (5 volumes), and "The Foundations of a Planned Economy" (5 volumes).
The first three titles being "The Bolshevik Revolution" (3 volumes), "The Interregnum" (1 volume), "Socialism In One County" (5 volumes) and "The Foundations of A Planned Economy" (5 volumes).