Marlowe rises from the grave ... then sinks into it again.
It's been called literary ventriloquism - the ability to write in the 'voice' of another writer. That idea, once a jeu d'esprit, has now become big business. I guess it began with Kingsley Amis writing a James Bond novel - Colonel Sun - after Fleming's death, following his own critical examination of the Bond phenomenon, The James Bond Dossier. Subsequently, Wikipedia provides a frighteningly long list of Bond books written by other writers, culminating most recently with William Boyd's poor effort, Solo.
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