Rearranging the letters of 'Miss Marple' (One of Agatha Christie's fictional amateur sleuths) gives:
Prim lass, me.
(by Mike Mesterton-Gibbons by hand) (2006) (pending approval)
A simple Mrs.?
(by Mike Mesterton-Gibbons by hand) (2006) (pending approval)
Other related anagrams without their own page:
"David Suchet as Hercule Poirot" -> "I advice proud sleuth to search!" (by Zoran Radisavljevic using Anagram Genius) (2010) (pending approval)
"David Suchet as Hercule Poirot" -> "Sleuth is proud? Actor achieved!" (by Zoran Radisavljevic using Anagram Genius) (2010) (pending approval)
"Monsieur Hercule Poirot" -> "More shire police outrun." (by Mike Mesterton-Gibbons by hand) (2009) (pending approval)
"A Christie" -> "Charities?" (by Segura using Anagram Genius) (2003)
"Four Fifty from Paddington (or What Mrs McGillicuddy Saw) by Agatha Christie" -> "Why daffy Miss Marple got dirty doc with suffocating girl chum aboard train." (by Mike Mesterton-Gibbons by hand) (2010) (pending approval)
"Agatha Christie, Ten Little Niggers" -> "Their genitalia's strategic length." (by Mick Tully using Anagram Genius) (2009) (pending approval)