Remove item Thumbnail image Product Price Quantity Subtotal × × (eBook) (PDF) Lecture Tutorials for Introductory Astronomy, 4th edition1 × $19.90 $19.90 - (eBook) (PDF) Lecture Tutorials for Introductory Astronomy, 4th edition quantity + $19.90 × × (eBook) (PDF) Learning to Think Things Through: A Guide to Critical Thinking Across the Curriculum, 4th edition1 × $19.90 $19.90 - (eBook) (PDF) Learning to Think Things Through: A Guide to Critical Thinking Across the Curriculum, 4th edition quantity + $19.90 Update cart Continue Shopping Cart totals Subtotal $39.80 Total $39.80 Proceed to checkout
