Cart Remove item Thumbnail image Product Price Quantity Subtotal × Anti-Gravity and the World Grid (Lost Science (Adventures Unlimited Press)) Paperback – 1 June 1987 $13.42 Anti-Gravity and the World Grid (Lost Science (Adventures Unlimited Press)) Paperback – 1 June 1987 quantity $13.42 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal $13.42 Total $13.42 Proceed to checkout