Blacker's Art of Fly Making - comprising angling and dyeing of colours with engravings of Salmon and Trout flies shewing the process of the gentle craft as taught in the pages with descriptions of flies for the season of the year as they come out on the water is a work of fly tying literature with significant fly fishing content written by William Blacker a London Tackle dealer and first published in London in 1842 by George Nichols. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Written Work