"The Color Purple" author Walker (5)
I believe the answer is:
alice
'the color purple author walker' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for alice that I've seen before include "Girl famous for entering Wonderland" , "Looking-glass girl" , "She fell down a rabbit hole into a fantasy world" , "Girl in literary Wonderland" , "Girl who famously explored Wonderland" .)