Book Vl, entitled, 'Cambridge and the Alps', is structured as a narrative, telling a story which is complete in itself, as well as being part of The Prelude as a whole. The story has an introduction, a climax, and a dénouement. The basic purpose of the story is the same as the purpose throughout The Prelude - as indicated in its subtitle - to chart the 'growth of a poet's mind', with particular emphasis on the importance of nature, which is always at the heart of Wordsworth's philosophy and poetry.
The book starts by picking up the narrative which was left off at the end of book lV, 'Summer Vacation', in which Wordsworth recounts a spiritual turning point in his life.
I made no vows, but vows
Were then made for me; bond unknown to me
Was given, that I should be, else sinning greatly,
A dedicated spirit. (lV 341-4)
This passage shows the poet having found a deep-seated vocation within himself, which is the source of the inner confidence and certitude which pervades the opening section of book Vl. We should note the passive aspect to this spiritual experience, 'Vows were then made for me'. This is an important indication of the receptive attitude of mind which allows the poet to have the kinds of experience he has in book Vl. The poets attitude towards nature is that he goes out to experience it, and in return nature gives him inspiration, insight, education, and delight. It is a two-way process, in which the poet's mind grows and develops.
The book opens with a valediction for his home district,