"From napkin-scrawled idea to production to million-selling success, both series’ histories will be told in extreme detail in original text and interviews with the developers, animators, and other industry folks. We’re going to pack in tons of art, too–early concept stuff as well as memorable character sprites. My favorite part may be the package itself, though–these are going to be paperbacks, but they’ll come in a partial slipcase that looks like an original Nintendo cartridge sleeve. "Very sweet. I'm certainly looking forward to this!
Of note, this has nothing to do with R20. R20 is being split into two volumes by Udon Entertainment: Mega Man Official Complete Works on Oct. 14, Mega Man X Official Complete Works on Dec. 14th.