Dennis is a graduate of the University of Idaho and Idaho State University. He taught and served as a principal in Idaho for 39 years. He originally wrote the Idaho Notebook in 1977 as a consumable...показать большеDennis is a graduate of the University of Idaho and Idaho State University. He taught and served as a principal in Idaho for 39 years. He originally wrote the Idaho Notebook in 1977 as a consumable workbook for 4th grade students. The fifth edition was published in 1994.Dennis is currently retired and lives in Twin Falls, Idaho.показать меньше