When they met at a motorcycle club in 1912, Elsie Knocker was a 30-year-old motorcycling divorcee dressed in leathers, & Mairi Chisholm was a brilliant 18-year-old mechanic, living at home, borrowing tools from her brother. Little did they know, theirs was to become one of the most extraordinary stories of the First World War.

A Telegraph Book of 2018 An Observer Pick of 2018 A New Statesman Book of 2018 A definitive history and anarchic celebration of the fight for women's right to vote; `A huge achievement' Rachel Cooke, Observer `Glorious' Sunday Times `A definitive history of the suffragettes' The Times `Magisterial' Telegraph Between the death of Queen Victoria and the outbreak of the First World War, while the patriarchs of the Liberal and Tory parties vied for supremacy in parliament, the campaign for women's suffrage was fought with flair and imagination in the public arena. From their...