Internet Programming with Python by James C. Ahlstrom, Aaron Waters and Guido...

Programming Language Foundations by Stump, Aaron

Advanced Mac OS X Programming by Dalrymple, Mark; Hillegass, Aaron

Programming Clojure - Paperback, by Halloway Stuart; Bedra Aaron - Very Good

Programming Clojure Paperback Stuart, Bedra, Aaron Halloway

Cocoa Programming for Mac OS - Paperback, by Hillegass Aaron; Preble - Very Good

Cocoa Programming for Mac OS X Paperback Aaron Hillegass

Cocoa Programming for Mac OS X (3rd - Paperback, by Hillegass Aaron - Good