Product Quantity Subtotal The Linux Programming Interface: A Linux and UNIX System Programming Handbook $19.99 1 × $19.99 1 $19.99 Introduction to Fourier Optics $19.95 2 × $19.95 2 $39.90 Using IBM® SPSS® Statistics for Research Methods and Social Science Statistics $19.99 1 × $19.99 1 $19.99 Introduction to Graph Theory (Dover Books on Mathematics) $8.99 1 × $8.99 1 $8.99 Learn Physics with Calculus Step-by-Step (3 book series) $29.99 1 × $29.99 1 $29.99 HTML & CSS: The Comprehensive Guide to Excelling in HTML5 and CSS3 for Responsive Web Design, Dynamic Content, and Modern Layouts (Rheinwerk Computing) $19.95 1 × $19.95 1 $19.95 Update cart Cart totals Subtotal $138.81 Total $138.81 Proceed to checkout