Product Quantity Subtotal Introduction to Graph Theory (Dover Books on Mathematics) $8.99 2 × $8.99 2 $17.98 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 The Cartoon Guide to Geometry $11.95 1 × $11.95 1 $11.95 Using IBM® SPSS® Statistics for Research Methods and Social Science Statistics $19.99 1 × $19.99 1 $19.99 Update cart Cart totals Subtotal $69.87 Total $69.87 Proceed to checkout