Core J2EE Patterns, Second Edition, Alur/Malks/Crupi

Core PHP Programming, Third Edition, Atkinson/Suraski

Core Lego Mindstorms, Bagnall

Core Python Programming, Second Edition, Chun

Core Internet Application Development with ASP.NET 2.0, Connolly

Core JSTL, Geary

Core JavaServer Faces, Second Edition, Geary/Horstmann

Core Web Programming, Second Edition, Hall/Brown

Core Servlets and JavaServer Pages,Volume 1: Core Technologies, Second Edition, Hall/Brown

Core Servlets and JavaServer Pages,Volume 2:Advanced Technologies, Second Edition, Hall/Brown

Core Java™ 2, Volume I—Fundamentals, Eighth Edition, Horstmann/Cornell

Core Java™ 2, Volume II—Advanced Features, Eighth Edition, Horstmann/Cornell

Core C# and .NET, Perry

Core CSS, Second Edition, Schengili-Roberts

Core Security Patterns, Steel/Nagappan/Lai

Core Java Data Objects, Tyagi/Vorburger/McCammon/Bobzin

Core Web Application Development with PHP and MySQL, Wandschneider