Dyma gyfrol gyfoethog o ysgrifau'n ymwneud ag amrywiol agweddau ar lenyddiaeth Gymraeg a Cheltaidd, ac sy'n talu teyrnged i gyfraniad arbennig yr Athro Marged Haycock i'r ddisgyblaeth. Cesglir ynghyd waith ysgolheigion blaenllaw ar bynciau'n ymestyn o'r cerddi Cymraeg cynharaf i lên gwerin a chof bro. Gyda'i gilydd, ffurfia'r penodau lyfr tra sylweddol a phwysig ar lenyddiaeth Gymraeg a Cheltaidd. This rich volume of essays engages with varied aspects of Welsh and Celtic literature as a tribute to the enormous contribution made to the discipline by Professor Marged Haycock. Work by leading scholars is gathered together on subjects ranging from the earliest Welsh poems to folklore and regional memory. The volume forms a substantial and important contribution to the study of Welsh and Celtic literature.