A coffee writer and taster, he wrote the book on Home Coffee RoastingThe application of heat to green coffee seeds (beans) to create palatable material for brewing a great cup!: Coffee roasting is a chemical process induced by heat, by..., literally, as well as other coffee subjects.: A coffee writer and taster, he wrote the book on Home Coffee Roasting, literally, as well as other coffee subjects. He is known for his descriptive abilities, and has made much of his writing available through his web site: www.coffeereview.com .