That's exactly why former art director Brent Kobayashi (AKA Meowza, AKA Kukubee) decided to gather together everything that he and the Glitch art team designed over the years, including never-before-seen concept art and some worlds that didn't make it to the game. Through Indiegogo (one of the many alternatives to Kickstarter), Brent set up a project to raise $17,000 for production of a hardcover book showcasing the art of Glitch. But as happens with the internet, the initial goal was shattered with the current money raised at just over $105,000 with 34 hours left to go on the campaign.
The good news is that this book will certainly become a reality. The better news is that you still have time to grab one for yourself!
[Thanks to Sounder for the tip!]