1990 McDougal Littell Algebra: Structure and Method Book 1--Overhead Visuals (Package) by Brown/Dolciani/Sorgenfrey/Cole ***Each Folder Contains A Visual Made up of One or More Acetate Sheets That Are Numbered in the Lower Right-Hand Corner ***Directions for Displaying Each Visual Are Printed on the Inside of Its Folder ***ISBN-13: 9780395470558 ***Condition: Like New--2000 impression