Michael Johnson has researched the material culture, demography and linguistic relationships of Native American people for more than 30 years. He has visited some 30 Native American communities and reservations, and he is associate editor to a number of specialist journals. He has previously written Men-at-Arms 228: 'American Woodland Indians', Men-at-Arms 288: 'American Indians of the Southeast' and Men-at-Arms 344: 'Tribes of the Sioux Nation'. He lives in the West Midlands, UK.

Jonathan Smith was born in London in 1959. He attended St Martin's School of Art and obtained a degree in fine art from Goldsmith's College of Art. He has had a lifelong interest in Native Americans and has travelled extensively in the USA and Canada with peoples of many tribal nations. He currently lives and works in Cheltenham, UK.