"A Study of Shakespeare" by Algernon Charles Swinburne is a critical study written in the late 19th century. The text appears to serve as an in-depth analysis of the development and evolution of Shakespeare's poetic style and metric forms. Swinburne's exploration comes at a time when debates regarding Shakespeare's authorship and the authenticity of his plays were prominent. The opening of the work introduces Swinburne's intention to investigate the metrical progression and stylistic changes in Shakespeare's writing over distinct periods of his career. He presents the metaphor of Shakespeare's works as an uncharted sea, emphasizing the complexities and challenges of literary criticism. The preface outlines the framework for Swinburne's analysis, hinting at a division of Shakespeare's oeuvre into three main periods, each marked by unique stylistic traits. Through this methodology, the author sets a foundation for exploring the evolution of one of literature's most monumental figures. (This is an automatically generated summary.)