Afterthoughts of a Walk on the Naze

“In the year of his death, my great-uncle, the artist Nigel Henderson, wrote a letter addressed to my future self. In his letter, he asked me to decipher a painting he made of the fossilized cliffs at Walton on the Naze in Essex, in the east of England. As a clue, he sent me a photocopied manuscript of a book by a South American novelist called Wilson Harris, who lived nearby i...