Product Quantity Subtotal Python Crash Course, 3rd Edition: A Hands-On, Project-Based Introduction to Programming $19.94 2 × $19.94 2 $39.88 The Linux Programming Interface: A Linux and UNIX System Programming Handbook $19.99 1 × $19.99 1 $19.99 Update cart Cart totals Subtotal $59.87 Total $59.87 Proceed to checkout