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.
De rosa chose a pen name with two double letters.
( z1 choose :ARG0 ( z2 person :name ( z3 name :op "De" :op "rosa" ) ) :ARG1 ( z4 name :mod ( z5 pen ) :ARG0-of ( z6 have :ARG1 ( z7 letter :quant 2 :mod ( z8 double ) ) ) ) )