Fine literature it's not

• Poor novel likely to be steamy
• Hack's output
• Work of literature produced just to make money
• Novel by a hack
• Uninspired book
• Hack job of writing or painting
• Hack novel

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of pot boiler English)

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also pot-boiler , 1864 in the figurative literary sense, from pot (n.1) + agent noun from boil (v.). The notion is of something one writes solely to put food on the table.

Wikipedia Word definitions in Wikipedia
A potboiler or pot-boiler is a novel , play , opera , film , or other creative work of dubious literary or artistic merit, whose main purpose was to pay for the creator's daily expenses—thus the imagery of "boil the pot", which means "to provide one's livelihood". ...