Final answer:
The book 'The Pale Princess and the Six Pygmies' is available in three volumes. This format is for reader convenience due to the material's breadth.
Step-by-step explanation:
The book "The Pale Princess and the Six Pygmies" is being offered in three volumes. This format was chosen due to the comprehensive nature of the material, allowing for greater flexibility and efficiency in reading. It's important to note that this information does not pertain to the literary work by Dorothy Wordsworth, which appears to be referenced as being two volumes; rather, it is specific to the book in question.