//SOLUTION
public class NonFictionBook extends Book
{
    private double deweyDecimal;
    public NonFictionBook(String name, int pages, double dewey)
    {
        super(name, pages);
        deweyDecimal = dewey;
    }
    
    public double getDeweyDecimal()
    {
        return deweyDecimal;
    }
    
    public void setDeweyDecimal(double newClassification)
    {
        deweyDecimal = newClassification;
    }
    
    public String getInfo()
    {
        return super.getInfo() + " deweyDecimal: " + deweyDecimal;
    }
}