The Tyrannicide Brief

[Robertson's] forensic intelligence can penetrate where professional historians have not reached

Blair Worden, Literary Review

Robertson has come up with that desperately rare thing: a subject worthy of biography who has never before been addressed and, to his huge advantage, in his field. The result is a work of literary advocacy as elegant, impassioned and original as any the author can ever have laid before a court

Anthony Holden, Observer

Robertson tells a spellbinding story. He combines lucid analysis of the legal issues with acute understanding of the various factions. His prose is crisp and he inserts some comments that only a professional advocate, as opposed to an academic historian, would make

Christopher Silvester, Daily Telegraph

Fascinating... Illuminating... This is a work of great compassion and, at a time when it seems to be fashionable for politicians to denigrate lawyers, it is an essential read for anyone who believes in the fearless independence of the law

John Cooper, The Times

Redeems from obscurity an unsung hero of true greatness... Sheds invigorating light on the course of the English civil war

Spectator