Cart “Proofs: A Long-Form Mathematics Textbook (The Long-Form Math Textbook Series)” has been added to your cart. Continue shopping Product Price Quantity Subtotal × Proofs: A Long-Form Mathematics Textbook (The Long-Form Math Textbook Series) $16.51 Proofs: A Long-Form Mathematics Textbook (The Long-Form Math Textbook Series) quantity $16.51 Update cart Cart totals Subtotal $16.51 Shipping Flat rate Shipping options will be updated during checkout. Calculate shipping Country / region Select a country / region… United States (US) State / County City: Postcode / ZIP: Update Total $16.51 Proceed to checkout