James Callahan

• Advanced calculus
• Rotting in Dirtville
• Calculus in context
• Killing of Ishi
• The geometry of spacetime
• The Lighter Side of Golf
• Auteur Vol. 1
• Auteur Vol. 2
• Calculus in context
• Calculus in Context Part II
• Calculus in Context, Part I
• Clarity of Scripture