Marcus, Alan I., and Howard P. Segal. A Brief History. Governance in a Networked World. Strunk, William, and E. B. White. The Elements of Style.
Any edition is fine.
A good dictionary. MLA Handbook for Writers of Research Papers. The Modern Language Association. A Handbook for Writers of Dissertations, Theses, and Term Papers. It is important that you have access to a computer with Internet access and a web browser.