Micheal O Siadhail considers modern Irish dialects against the background of their common grammar, providing a comprehensive overview for Celticists and general linguists with an interest in dialectical comparison. His Modern Irish contains a wealth of empirical data which is analysed in a fresh and accessible manner, keeping technical terminology to a minimum. It includes background information on the Irish language and gives explanations of basic concepts in order to compare the phonology, morphology and syntax of the dialects. Students of linguistics amd the Irish language will welcome this clear and sensible cross-dialectal survey by Micheal O Siadhail, who is well-known as an Irish scholar and as a poet.