'The leading authority on our contemporary prime ministers' Dominic Grieve, Guardian

After almost a decade and a half of Tory rule, the 2024 General Election saw the Conservatives suffer their worst-ever defeat: they received 7.14 million fewer votes than in 2019; 23.7 per cent is their lowest ever vote share; and their current 121 MP contingent is their smallest since 1832. Meanwhile, the rise of Reform threatens the party's very existence.

How did it all go wrong so quickly, following Boris Johnson's record-setting win in 2019?

From taking office amidst the cost of living and energy supply crises and the panic caused by Liz Truss's disastrous mini-budget, through the agenda-dominating Ukraine and Gaza wars and the Rwanda Asylum Plan, to the stunning 2023 local election results, Sunak at 10 is the definitive and jaw-dropping window into Rishi Sunak's premiership.