 The 1997 Doctor Who novel The Dying Days , set in its year of release , features in one chapter an elderly character introduced halfway through a sentence as " -ermass " , and subsequently referred to as " Professor " and " Bernard " during his brief appearance . Author Lance Parkin confirmed in his notes accompanying the later e @-@ book release that this was a deliberate cameo from Quatermass , specifically the John Mills version from the final serial . 
