Possible Clues:

• Narrativ?
• Though possibly original, it is less than novel
• Reading for one sitting, perhaps
• The boarding house, in a Joycean sense, opens in 7 down with school that's conservative
• Leisurewear right for author's work
• Work with spirit level in America
• Work such as 'The Purloined Letter' (whose author's name is spelled out by this puzzle's purloined letters)
• Raymond Carver specialty
• One of 11 in Brandon Taylor's book 'Filthy Animals'
• Drams taken with party person? That's less than novel