Mythago Wood

Deep within the wildwood lies a place of myth and mystery, from which few return, and of those few, none remain unchanged.

Ryhope Wood may look like a three-mile-square fenced-in wood in rural Herefordshire on the outside, but inside, it is a primeval, intricate labyrinth of trees, impossibly huge, unforgettable … and stronger than time itself.

Stephen Huxley has already lost his father to the mysteries of Ryhope Wood. On his return from the Second World War, he finds his brother, Christopher, is also in thrall to the mysterious wood, wherein lies a realm where mythic archetypes grow flesh and blood, where love and beauty haunt your dreams, and in promises of freedom lies the sanctuary of insanity …

Synopsis from Open Library.