Book excerpt: This beautiful book combines the author's extensive ecological knowledge with art, and her passion for drawing with ink. It is packed with clear instruction and inspirational illustrations, and will be treasured by artists, illustrators, scientists and ecologists alike. Practical advice is given on using a range of materials and equipment for illustrating in pen and ink, as well as the collection and preservation of subject matter and reference material. Detailed instruction is given on how to create essential mark-making techniques that will enhance your illustrations through accurate depiction of shape, form, texture and pattern, and in the principles and elements of design. Subject-themed chapters include plants, strandline and marine specimens, fossils, invertebrates, and mammals. There are step-by-step exercises suitable for all skill levels, and case studies describing working practice as a professional illustrator.