BRYAN PETERSON is a professional photographer, internationally known instructor, and founder of www.ppsop.com, The Perfect Picture School of Photography. He is the best-selling author of Understanding Exposure, Understanding Shutter Speed, Understanding Close-Up Photography, Learning to See Creatively Understanding Digital Photography, Beyond Portraiture and, most recently, Bryan Peterson's Understanding Photography Field Guide. His easy-to-understand writing and teaching style breaks down the complex and often confusing aspects of photography, translating them into what his students routinely describe as "aha" moments. His trademark use of colour and strong, graphic composition have garnered him many photographic awards and a strong following. He lives in Chicago.