The book "Field Guide to Western Wildflowers" by Margaret Armstrong and John James Thornber is a detailed survey of the flora of the western United States. This book contains not only descriptions of different types of flowers, but also illustrations that help to recognize them. The authors describe in detail the features of each type of plant, their growth sites, inflorescences, leaves and other important characteristics. This book will be useful to any florist, botanist, or simply a nature lover who is interested in the flora of the western states of America.