H. Leighton Steward
H. Leighton Steward has a master of science degree from Southern Methodist University and is CEO of a Fortune 500 energy company. He also authored a booklet on causes of land loss of the lower Mississippi River wetland system. Sixty thousand of ... [... more]
Random House |
David Freidel
David Freidel has been a Maya archaeologist for twenty years. He teaches at Southern Methodist University in Dallas. [... more]
Harper Collins |
Deborah Diffily
Deborah Diffily is a professor of early childhood education at the Center for Teacher Preparation at Southern Methodist University. She is a member of the American Education Research Association, the Association for Childhood Education ... [... more]
Harper Collins |