“The Knife Before Christmas” has been added to your cart. View cart Shopping Bag View your items Shipping and Checkout Enter your details Confirmation Review your order! Free shipping! Product Price Quantity Subtotal A Duet with the Siren Duke× $31.99 A Duet with the Siren Duke quantity $31.99 Computational Physics× $48.00 Computational Physics quantity $48.00 The Knife Before Christmas× $27.99 The Knife Before Christmas quantity $27.99 Cart ID: E9231255 Coupon: Apply Update cart Cart totals Subtotal $107.98 Shipping Free shipping Expedited Shipping: $25.00 Shipping to NM. Tax $8.98 Total $116.96 Proceed to checkout Buy with