Betrayal - Christine Purkis

A novel centred on a headstrong working-class girl in 18th-century north Wales. Peggin is a maid to the infamous Ladies of Llangollen, a gay couple who moved in the literary circles of Byron and Wordsworth. Abandoned by her family, she finds her long-lost brother Joe overseeing the building of Thomas Telford''s Pontcysyllte Acqueduct.