Brexit didn’t just happen even though the British were increasingly aggrieved at the thousands slipping across from Europe to claim social security and medical benefits in the UK.

Brexit was a war fought on many fronts by British parliamentarians, most ruthlessly by those within David Cameron’s own Conservatives.

Westminster journalist Tim Shipman, Sunday Times political editor and a key force behind the Times’ whimsical Red Box daily email politics briefing, has published an account of the conflict; All Out War – the full story of how Brexit sank Britain’s political class a meticulously detailed account of the campaign written by an insider...