Dòmhnall Mac na Ceàrdaich (Donald Sinclair, 1885-1932) is a crucial writer in the development of Gaelic literature in the early twentieth century. His work across multiple styles and categories, including poetry, drama, and prose, covers a range of issues and concerns, including Scottish Nationalism, the Celtic Revival, land reform, migration, and a newly self-confident Catholic identity.Mac Mac na Ceàrdaich reinvigorated Gaelic literature across multiple genres, and helped to introduce entirely new ideas and forms. He was proud to write in a minoritised language, and his writing remains a treasure trove for Scottish Gaelic communities. This SCOTNOTE Study Guide is an excellent starting point for those wishing to study his work and understand his role in the history of modern Gaelic writing.