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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.

Think you know Head First? Test your knowledge of Head First trivia with this crossword, and find out how well you do. The first three people to send the correct answers to contest@headfirstlabs.com will get a free Head First t-shirt!

Get a full-sized version and the questions here.

Head First Statistics:

Advance Excerpt!

Head First Statistics is coming out soon, and here's an advance excerpt just for you. Chapter 4 is all about the concept most important to gamblers and insurance brokers everywhere — probability! Download the free excerpt from this page.

Life is full of uncertainty.
Sometimes it can be impossible to say what will happen from one minute to the next. But certain events are more likely to occur than others, and that's where probability theory comes into play. Probability lets you predict the future by assessing the likelihood of outcomes, and knowing what could happen helps you make informed decisions. In this chapter you'll find out more about probability, and learn how to take control of the future!

download the PDF from this page

For most people, the best way to get a better score on a test is to practice taking it. Most PMP prep services want you to pay a lot for this privilege — but not Head First! This free online exam is a full 200-question simulation written by Andrew Stellman and Jennifer Greene, the authors of Head First PMP. With a time limit and scoring just like the actul exam, it gives you the real PMP experience.

Not ready to sit down for the full four-hour test? You can also choose the number of questions to answer and get a little PMP practice under your belt. Come back as many times as you want for another random selection!

Take the exam!