Elly Griffiths is the pen name of Domenica de Rosa (born 17 august 1963, London), a British crime novelist. She has written two series as Griffiths to date, one featuring Ruth Galloway, the other featuring Detective Inspector Edgar Stephens and Max Mephisto.

Can we draw the following conclusion?
Elly Griffiths enjoys writing crime series with British characters. 

OPT: (I). Yes (II). It's impossible to say (III). No