Cocoa in a Nutshell
Michael Beam & James Duncan Davidson
AppleScript in a Nutshell
Bruce W. Perry
ADO.NET in a Nutshell
Bill Hamilton & Matthew MacDonald
Delphi in a Nutshell
Ray Lischner
Unix in a Nutshell
Arnold Robbins
C++ In a Nutshell
Ray Lischner
Perl in a Nutshell
Nathan Patwardhan, Ellen Siever & Stephen Spainhour
Ruby in a Nutshell
Yukihiro Matsumoto
PHP in a Nutshell
Paul Hudson
Web Design in a Nutshell
Jennifer Niederst Robbins