If you preorder Darksiders at EB Games - and only EB Games - you'll score yourself the 'Guide to the Underworld', a 100-page book featuring:
* Darksiders Graphic Novel - Prequel based upon comic artist and Vigil Games founder Joe Madureira’s vision of the Four Horsemen of the Apocalypse * ‘Joe Mad’ Concept Art - Exclusive in-depth look at the creation of the epic Darksiders * Exclusive Fold Out Poster - Original concept art illustrated by Joe Madureira * War’s Weapons Feature - Master the weapons of Darksiders with this exclusive guide
Plus, you'll get a code to unlock an in-game weapon called the Harvester, described as:
"This powerful weapon belongs to the rider of the pale horse. Its enormous, fearsome blade can cleave through flesh, bone, and even the ethereal demons of Hell. Though its jagged blade is deadly, the power locked within makes its master like unto a god."
It's $108 RRP at EB. Here, have another screenshot.