Question: Which book, which is described by the author on its cover as a "thumping good detective-ghost-horror-who dunnit-time travel-romantic-musical-comedy-epic, was turned into a comic science fiction television series called Dirk Gently?
{'answer': "Dirk Gently's Holistic Detective Agency", 'supporting_facts': [['Dirk Gently (TV series)', 0], ["Dirk Gently's Holistic Detective Agency", 0], ["Dirk Gently's Holistic Detective Agency", 1]]}