Over the years, Charlie and the Chocolate Factory has been accused of being vulgar, sadistic, subversive, ageist, and racist. Of all these accusations, however, the charge of racism is the most serious. The charge, of course, has to do with the portrayal of the Oompa-Loompas as black pygmies from Africa. Dahl has commented that it hadn't occurred to him that his depiction of the OompaLoompas was racist. But after critics pointed out that all of the workers were black, he revised the book. Dahl would prefer that people read the revised edition, which is the only edition that is now in print. However, there are countless copies of the original version in circulation.