What to Do About Classical Children's Books that are Racist?

One of my favorite childhood books was Hugh Lofting's Doctor Dolittle. I've the original book and as a young teacher realized that it was…um…horribly…racist and so kept it home and did not recommend it. At one point a parent expressed shock to me that it was on the reading list for the grade above mine. When I told the teacher she showed me a version of the book in which the racist storyline had been completely removed.   I wasn't sure what to think about this. Yes, the original version was u...