DC Omnibus is a line of large format, high quality, full color, hardcover editions published by DC Comics since 2007, reprinting comics previously printed in single issue format. Individual volumes tend to focus on collecting either the works of prolific comic creators, like Jack Kirby and Steve Ditkomajor comic book events like "Blackest Night" and "Infinite Crisis"; complete series or runs like "Gotham Central" and "Grayson" or chronological reprints of the earliest years of stories featuring the company's most well known series and characters like "Batman" and "Justice League of America".