The benefits of Zygor Guides are well known.

It will allow you to level at speeds you didn’t know were possible.
It comes with an in game addon that shows you, step by step, what to do.
It shows you where to go to maximise your experience per hour.
It removes the need to tab out of the game to level quickly.

What you do not know is that the leveling guide comes packed with plenty of extras.

When you purchase Zygor Guides, you will receive lifetime updates. This will be the last leveling guide you will ever need. Unlike power leveling services, this is not a one time benefit. You will be able to use this one guide, for all of your characters.

You will also get a free talent guide for every class. The biggest question most players ask when leveling a new characters is, “What is the best leveling spec?” You no longer have to guess or browse the internet looking for the best path. You will get a level-by-level walkthrough to maximize your experience per hour, regardless of class.

When you hit 80 you will definitely want a flying mount, and the guide comes standard with the nether drake mount guide. This guide will walk you through the process of obtaining these wonderful mounts.

As an added bonus for Wrath of the Lich King, you will also receive the Death Knight class guide. This guide shows you everything you need to know to dominate the new hero class, from spell rotations to gear recommendations. Stand apart from the thousands of other Death Knights on your server.

You will also recieve the Inscription profession guide, your key to leveling up the newest profession quickly. With dual specilization being added to the game this profession just got way more popular.

Out of the many World of Warcraft Guides on the market, few will offer you the bonuses offered by Zygor Guides