AppleScriptObjC Explored by Shane Stanley

AppleScriptObjC Explored by Shane Stanley is the most advanced, thorough, and in-depth documentation for the creation of AppleScript Objective-C applications. Utilizing a hands-on approach, the book guides you step-by-step through the process of integrating the power of Cocoa into your AppleScript applets and applications, demonstrating each concept and technique in fully editable and annotated example projects.

Recommended. [via DF]