Beginning C# 2008 Objects : From Concept to Code /

por Palmer, Grant., Barker, Ken.
Publicado 2009

Beginning Mac OS X Snow Leopard Server : From Solo Install to Enterprise Integration /

por Edge, Charles., Barker, Chris., Schwiebert, Ehren., Barker, Ken.
Publicado 2010

Enterprise Mac Security: Mac OS X Snow Leopard /

por Edge, Charles., Barker, William., Hunter, Beau., Sullivan, Gene., Barker, Ken., Hunter, Beau., Sullivan, Gene.
Publicado 2010