Language Arts - Rivers Curriculum Author:Robert Williams, Cynthia Lee Bidlack, GeorgeAnn Kislia Siwicke The River is the central theme that binds together six teacher resource books--and six content areas--in this interdisciplinary high school curriculum. Students learn to work together to make a difference in their own community while exploring vital topics. The Rivers Curriculum units work together to form a complete, interdisciplinary program o... more »r stand alone as outstanding supplements to your existing curriculum. Geography/Grades 9-12« less