 A well-known weaver and author, Harriet Tidball, dedicated a copy of her own work ‘’Foundations for Handweavers" to "Mary Black, a "Guiding Light" to all of us weavers".When she was 85 years old, a still vital Mary Black said in an interview that, when she wrote her book, she had to pretend to herself that she knew absolutely nothing about weaving, "yet I had to explain it so that anyone who was a beginner would understand what it was all about.