Cyfrol ddarluniadol yn dilyn taith ffeithiol, swynol trwy Gymru ar hyd Sarn Helen, sef yr hen ffordd Rufeinig a redai o dde i ogledd Cymru. Portread myfyriol a swynol o Gymru gan un o lenorion ifanc gorau'r wlad, ynghyd ag arlunwaith gan Jackie Morris.
Featuring illustrations by Jackie Morris, an immersive, evocative non-fictional journey through Wales and a revelatory meditation on the nation's past, present and future. Sarn Helen - Helen's Causeway - is the old Roman Road that runs from the south of Wales to the north. From one of Wales' most celebrated younger writers, Sarn Helen is at once a vivid and immersive portrait of a nation.