First Time Analogies: Grades K-2
Water Treatment Plant Operation: A Field Study Training Program
Operation of Wastewater Treatment Plants, Volume 1
Analogies for Beginners: Grades 1-3
Advancing Through Analogies: Grades 5-8
Nontechnical Guide to Petroleum Geology, Exploration, Drilling & Production
Fire Chief's Handbook
Writing Like Writers: Guiding Elementary Children Through a Writer's Workshop