Product Quantity Subtotal Concepts in Thermal Physics (Second edition) $19.99 1 × $19.99 1 $19.99 Artificial Intelligence: A Systems Approach from Architecture Principles to Deployment (MIT Lincoln Laboratory Series) $19.99 1 × $19.99 1 $19.99 Update cart Cart totals Subtotal $39.98 Total $39.98 Proceed to checkout — or —