I'm not sure if this is what you are after, but as a lawyer you just might like it:
http://www.amazon.com/The-Tyrannicide-Brief-Charles-Scaffold/dp/0307386376
The Tyrannicide Brief, by lawyer, writer and celebrity lawyer, Geoffrey Robertson, not only about the radical lawyer, John Cooke, and how he prosecuted Charles I, but about the background to the Civil War.
http://www.amazon.com/The-Tyrannicide-Brief-Charles-Scaffold/dp/0307386376
The Tyrannicide Brief, by lawyer, writer and celebrity lawyer, Geoffrey Robertson, not only about the radical lawyer, John Cooke, and how he prosecuted Charles I, but about the background to the Civil War.