Again time accelerated until layers of soil overlaid with wattle appeared around the contained mass; more soil, gravel and turf-sods were heaped over it until finally a misty red sun pierced the gloom, the skies cleared and nothing remained of that terrible darkness save a green and overgrown mound.

Slowly, the figures, which had grown more translucent and almost vaporous throughout the strange ritual, began to fade away until nothing remained of them either. For years I have puzzled over the meaning of that strange experience, but never once have I doubted its reality. I have had several strange encounters with the world beyond our own before and since but never one so long sustained, so terrifyingly real and so emotionally threatening.

That ominous vision produced a surge of inspiration and creativity that resulted in the book CELTIA and in a series of prints for a London publisher followed by a second series brought out in Europe.