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Buy 2 Get 1 Free

Buy two books direct from O'Reilly and get the third free by using discount code OPC10 in our shopping cart. Plus, all orders over $29.95 qualify for free shipping within the US.

Triathlon Solutions
We have some great results from the recent Triathlon posts (see Part 1, Part 2, and Part 3 here). To inspire some of you who are still watching on the sidelines, here are some of our favorite responses so far.

Head First Ajax:

Sneak Preview!

Head First Ajax is on its way and you get to see it first! Here's an exclusive peek at Chapter 1. Download the free excerpt from this page!

Tired of waiting around for your page to reload?
Frustrated by clunky web application interfaces? It's time to give your web apps that slick, responsive desktop feel. And how do you do that? With Ajax, your ticket to building Internet applications that are more interactive, more responsive, and easier to use. So skip your nap; it's time to put some polish on your web apps. It's time to get rid of unnecessary and slow full-page refreshes forever.

download the PDF from this page

SQL Word Puzzle:

Test your SQL knowledge!

Sometimes thinking about things in a different way is the best way to learn a new topic. To help you do that, we've buried 20 SQL commands in this puzzle. Can you find them all? The first three people to send the complete list to contest@headfirstlabs.com will get a free Head First t-shirt!

Get more information about Head First SQL here.