John Norman, born in Chicago, Illinois, in 1931, is the creator of the Gorean Saga, the longest-running series of adventure novels in science fiction history. Starting inDecember 1966 with"Tarnsman of Gor", the series was put on hold after its twenty-fifth installment, "Magicians of Gor", in 1988, when DAW refused to publish its successor, "Witness of Gor". After several unsuccessful attempts to find a trade publishing outlet, the series was brought back into print in 2001. Norman has also produced a separate, three-installment science fiction series, the Telnarian Histories, plus two other fiction works ("Ghost Dance"and"Time Slave"), a nonfiction paperback ("Imaginative Sex"), and a collection of thirty short stories, entitled"Norman Invasions"."The Totems of Abydos"was published in spring 2012. All of Norman s work is available both in print and as ebooks. The Internet has proven to be a fertile ground for the imagination of Norman s ever-growing fan base, and at Gor Chronicles(www.gorchronicles.com), a website specially created for his tremendous fan following, onemay read everything there is to knowabout this unique fictional culture. Norman is married and has three children.

Milo I. Harpstead, Ph.D., is certified as a Professional Soil Classifier with the American Registry of Certified Professionals in Agronomy, Crops, and Soils (ARCPACS) within the Society of American Agriculture. He is a former Professor of Soil Science at the University of Wisconsin-Stevens Point. Dr. Harpstead also has taught and supervised research for students in Nigeria, Malaysia, Germany, and Australia.

Thomas J. Sauer, Ph.D., spent three years as a Soil Physicist with the USDA Agricultural Research Service Biomass Center in Arkansas and is now a Soil Scientist for the national Soil Tilth Laboratory, Ames, Iowa, where he conducts research on soil management impacts related to agroecology and air quality.

William F. Bennett, Ph.D., has been involved in teaching Soils, Soil Fertility, and Crops for over 40 years. He is a former Director of Development for the College of Agricultural Science and national Resources at Texas Tech University in Lubbock. In addition to work as a Soil fertility Consultant, Dr. Bennett is currently involved in educational programs in the fertilizer industry, with emphasis on the Certified Crop Advisor Program.