From the publisher (source: The Internet Book List
The brave warrior Macbeth allows himself to be persuaded by Lady Macbeth to slay good King Duncan and seize the throne of Scotland for himself. Macbeth achieves his ambition, but one murder proves not to be enough. Sinister supernatural forces are at work in this tragedy of guilt and retribution.
Written in 1605 or 1606, but not published until the Quarto of 1623.