Michael G. Johnson has researched Native American history and culture for more than 35 years. He has written a number of books on the subject in the Men-at-Arms series, including Men-at-Arms 344: Tribes of the Sioux Nation. He has visited more than 30 Indian communities and reservations.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. His work has been exhibited in many galleries. He has had a lifelong interest in tribal peoples, particularly Native Americans and has travelled extensively in the USA and Canada with peoples of many tribal nations.