Truss at 10

Sir Anthony Seldon is an educator, historian, writer and commentator. A former headmaster and vice chancellor, he is author or editor of over fifty books on contemporary history, politics and education, including Johnson at 10, The Impossible Office?, May at 10, Cameron at 10, Brown at 10, Blair Unbound and The Path of Peace. He's been co-founder of Action for Happiness and the Institute of Contemporary British History, and is founder of the Museum of the Prime Minister.

• 1: Secure the Power Base 2: Have a Clear and Realistic Plan for Government 3: Appoint the Best Cabinet/Team 4: Command the Big Events 5: Be Credible and Highly Regarded Abroad 6: Learn How to Be Prime Minister 7: Avoid Major Policy Failures 8: Maintain a Reputation for Economic Competence 9: Avoid U-turns 10: Retain the Confidence of the Party The Verdict: 'Deep State' or Deep Incompetence?

The leading authority on our contemporary prime ministers... Seldon writes very well... His research has been extensive and the commentary is fleshed out with dialogue and quotations, which he assures us have been checked for accuracy and make for compelling reading. His verdict is harsh.