Environmental ScienceMarie Kumsher King, Peter Paulos, Thomas W. La Point, Ruthanne Thompson · First published 2006Open the Tome
Study Guide for Life on EarthTeresa Audesirk, Gerald Audesirk, Bruce Byers, Sonja Stampfler, Ruthanne Thompson · First published 2009Open the Tome
Scope of BiologyRuthanne Thompson, Jill Nugent, Marie Kumsher King, Kimberly C. Piccolo · First published 2007Open the Tome
