Epic novel.
Extended story. For example, 'War and Peace' by Leo Tolstoy is a very long novel. Some might also refer to it as a 'lengthy tale' which gives the sense of it being a long - form piece of fictional literature.
Lengthy fiction work. A long novel can also be called a voluminous narrative. This is because it has a large amount of content and usually involves complex plots, multiple characters and detailed descriptions. It can take readers on a long - journey through different worlds, time periods and emotions.
A long tale. For example, 'The Odyssey' by Homer is a long tale full of adventures.
A long tale. For example, when we talk about the legend of King Arthur, it is like a long tale filled with adventures, romances and heroic deeds.
Epic, saga, tale. These words can be used in place of 'long story' in many cases. For example, instead of saying 'Here is a long story', you could say 'Here is an epic' or 'Here is a saga'.
Some synonyms could be 'a lengthy tale' or 'an extended narrative'.
It could be 'it's a protracted account'.
There are several synonyms, like 'it's a complex matter' or 'it's a convoluted tale'.
Some synonyms for 'novel' are 'novella' (which is a shorter form of a novel), 'literary work' (as a novel is a type of literary creation), and 'fictitious account' since novels are fictional in nature.
Some synonyms for 'novel' could be 'fiction', 'book', or 'story'.
A synonym for a cheap novel is 'shoddy book'. It implies that the quality of the book, whether in terms of writing, printing, or binding, is not very good, much like a cheaply made product.