A snippet, but please go over and read the whole thing and leave a comment:
Racism sucks. It sucks even more in publishing, since mass media is basically the only "thing" with the power to reach lots of people fast, and instead, for the most part, media generators--book publishers among them--find that it is comfortable, happy, and money-padded to carry on with the status quo, give people what they're used to, and ignore the problems. But yes indeed, racism we have. The thing about racism, particularly among well-meaning people, is that it's not overtly, deliberately malicious--most of it is just passivity, or, like I said, people doing again what made them money before. There are some (profound and terrifying) exceptions, examples of actively racist and/or bigoted publishing. But the majority of our sins are sins of omission--of failing to represent authors (and/or characters) of color the way we do white authors.
Best part about this? We are making a difference! We are making our voices heard and maybe, just maybe, if we can get readers to think a little outside the box we'll get publishers to think that way too. Change from the ground up? Where have I heard that before?