On a remote beach in the North of Scotland, lines of mysterious verse have been appearing. Carved into the rocks in beautiful script, the poetry is only visible for a short time at low tide. And to add to the mystery, it appears to be in Spanish. Who wrote these lines? Who has been carving them? And why here?

Vanessa Kisuule returns with a new series of The Poetry Detective, a radio show about the poems that go with us through life. She speaks to people about the poems - and bits of poems - that mean the most to them. She finds out why the poems matter, and then unfolds the backstory of the poem itself - who wrote it and in what context, and how does it work on us?

Andrew Simpson, the photographer who discovered the carvings, shows Vanessa his finds. And Dr Dominic Moran of the University of Oxford fills in the details of the poet's biography. With readings by Eduardo Bozzo.

Produced in Bristol by Mair Bosworth for BBC Audio Show less