I bought the Adobe Photoshop Classroom in a Book for CS6 by accident and I have CC. I know, stupid mistake. But I can't take return the book. Is is similar enough to CC that I can still get use out of the book? Thank you so much

I bought the Adobe Photoshop Classroom in a Book for CS6 by accident and I have CC. I know, stupid mistake. But I can't take return the book. Is is similar enough to CC that I can still get use out of the book? Thank you so much