Of unknown identity, in short (4)
I believe the answer is:
anon
(Other definitions for anon that I've seen before include "In a little while (informal)" , "prolific author" , "Soon; unnamed" , "Mystery writer" , "Of unknown authorship" .)
I believe the answer is:
anon
(Other definitions for anon that I've seen before include "In a little while (informal)" , "prolific author" , "Soon; unnamed" , "Mystery writer" , "Of unknown authorship" .)