TEXTBOOK Dst. 204 Gr. 9-12 AP : Living in the environment. [Grades 9-12] : principles, connections, and solutions / G. Tyler Miller, Jr. ; contributing editor Scott Spoolman.
TEXTBOOK ELEMENTARY : Horizons. Grade 3, level 2 / senior authors, J. David Cooper, John J. Pikulski ; authors, Patricia A. Ackerman [and others] ; consultants, Linda H. Butler, Linnea C. Ehri, Carla B. Ford.