Piers Anthony had one ongoing correspondence with a fan, and he wrote so much that he published a novel length book, Letters To Jenny, containing that correspon

Piers Anthony had one ongoing correspondence with a fan, and he wrote so much that he published a novel length book, Letters To Jenny, containing that correspondence. And it's a good read, too. Obviously Peirs doesn't write so much to everyone, and I can't answer whether he responds to everyone, but he certainly welcomes the letters.